DR. MARY A STEFANYSZYN (MD) – Ophthalmology Physician, NPI 1245239318

DR. MARY A STEFANYSZYN (MD) is a healthcare provider. based in Wynnewood, Pennsylvania. specializing in OPHTHALMOLOGY, PLASTIC AND RECONSTRUCTIVE SURGERY. They hold the professional credentials MD. They hold a License No. MD022299E (PA). The NPI Number for DR. MARY A STEFANYSZYN (MD) is 1245239318

Main info

Female
48 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARY A STEFANYSZYN (MD)
NPI
1245239318
Phone
(610) 649-1970
Address
100 E LANCASTER AVE
Enumeration Date
20 July 2005
Last Update Date
2 July 2008

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
6106491970
Graduation Year
1978 (48 years ago)
PAC ID
5991991127
Group Practice PAC ID
3476452848
Professional Enrollment ID
I20101130000258
Address ID
PA191075109PH840XXSTXX327
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,145 OPHTHALMOLOGY in PA

Loading map...

Provider Addresses for DR. MARY A STEFANYSZYN (MD)

  • Lankenau Medical Center, 100, East Lancaster Avenue, Wynnewood, Lower Merion Township, Montgomery County, Pennsylvania, 19096, United States

    SUITE 256 MEDICAL BLDG EAST

    WYNNEWOOD, PA 190963450

    Phone: (610) 649-1970

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 5 Open Payments records for all available years, with a total value of $138.

Total Amount is formed as General ($138) + Research ($0) + Ownership ($0) = $138.

Last reported payment date: 2024-11-25 • Largest payer in this snapshot: Merz Pharmaceuticals, LLC ($68).

Total Amount

$138

General + Research + Ownership

Payments

5

Total payment records

General Amount

$138

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-25

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-11-30

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101130000258IOphthalmologyPATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J0588Injection, incobotulinumtoxin a, 1 unit10,20142$0
99213Established patient office or other outpatient visit, 20-29 minutes289170$0
99214Established patient office or other outpatient visit, 30-39 minutes249165$0
64612Injection of chemical for paralysis of nerve muscles on side of face10443$0
92285Photography of content of eyes5757$0
View full utilization report →

Insurance plans in this area (ZIP 19096)

Loading plans...

Provider's Procedures

DR. MARY A STEFANYSZYN (MD) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYPA92012Eye and medical examination for diagnosis and treatment, established patient2317

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3476452848View full group profile
NameSpecialtyState
O P H T H A L M O L O G YNJ
Ophthalmology, Plastic And Reconstructive SurgeryPA
Ophthalmology, Plastic And Reconstructive SurgeryPA
Ophthalmology, Plastic And Reconstructive SurgeryPA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the standard ID for DR. MARY A STEFANYSZYN (MD) in the U.S.?
In the U.S., DR. MARY A STEFANYSZYN (MD) is identified by NPI 1245239318.
Does the public listing show DR. MARY A STEFANYSZYN (MD) as active?
DR. MARY A STEFANYSZYN (MD)'s NPI record reflects an active status in NPPES.
What does the directory say DR. MARY A STEFANYSZYN (MD) does?
Insurance directories may phrase it differently, but here DR. MARY A STEFANYSZYN (MD) maps to Ophthalmology Physician. Clinical services aligned with this taxonomy classification.
Is DR. MARY A STEFANYSZYN (MD) tied to Wynnewood, Pennsylvania?
If you are local to Wynnewood, Pennsylvania, DR. MARY A STEFANYSZYN (MD) may be relevant to your search.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

Similar Providers

DR. ROBERT B PENNE (MD)

Ophthalmology Physician
Lankenau Medical Center, 100, East Lancaster Avenue, Wynnewood, Lower Merion Township, Montgomery County, Pennsylvania, 19096, United States
NPI: 1215936380

DR. JACQUELINE R CARRASCO (MD)

Ophthalmic Plastic and Reconstructive Surgery Physician
East Lancaster Avenue, Wynnewood, Lower Merion Township, Montgomery County, Pennsylvania, 19066, United States
NPI: 1336148410
Lankenau Medical Center, 100, East Lancaster Avenue, Wynnewood, Lower Merion Township, Montgomery County, Pennsylvania, 19096, United States
NPI: 1659370633

ANNESLEY FLANAGAN FISCHER STEFANYSZYN AND ASSOCIATES

Ophthalmic Plastic and Reconstructive Surgery Physician
Lankenau Medical Center, 100, East Lancaster Avenue, Wynnewood, Ardmore, Lower Merion Township, Montgomery County, Pennsylvania, 19096, United States
NPI: 1396731501

DR. MELVIN ROAT (M.D.)

Ophthalmology Physician
100 E LANCASTER AVE STE 430
NPI: 1881681278

DR. LOUIS X SANTORE (M.D.)

Ophthalmology Physician
Lankenau Medical Center, 100, East Lancaster Avenue, Wynnewood, Lower Merion Township, Montgomery County, Pennsylvania, 19096, United States
NPI: 1548209166

DR. MICHAEL PAUL RABINOWITZ (M.D.)

Ophthalmology Physician
East Lancaster Avenue, Wynnewood, Lower Merion Township, Montgomery County, Pennsylvania, 19066, United States
NPI: 1912107863

CLARITY EYE CENTER PLLC

Ophthalmology Physician
1209 MANOA RD
NPI: 1417125311

MELVIN I. ROAT, MD, LLC

Ophthalmology Physician
1019 Stanford Dr
NPI: 1598935447