DR. STEVEN A FEINSTEIN (MD) – Internal Medicine Physician, NPI 1104815356

DR. STEVEN A FEINSTEIN (MD) is a healthcare provider. based in Radnor, Pennsylvania. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. MD032211E (PA). The NPI Number for DR. STEVEN A FEINSTEIN (MD) is 1104815356

Main info

Male
43 Years Of Experience
Accepts Medicare Assignment
Name
DR. STEVEN A FEINSTEIN (MD)
NPI
1104815356
Phone
(610) 902-5600
Address
250 KING OF PRUSSIA ROAD
Enumeration Date
20 October 2005
Last Update Date
21 August 2015

Doctor Profile

Medical School Name
WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
6109025600
Graduation Year
1983 (43 years ago)
PAC ID
5799686598
Group Practice PAC ID
2062326507
Professional Enrollment ID
I20040115000546
Address ID
PA190874557RA145XXRDXX500
Telehealth
Yes
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

9,967 INTERNAL MEDICINE in PA

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Provider Addresses for DR. STEVEN A FEINSTEIN (MD)

  • King of Prussia Road, Upton, Radnor, Radnor Township, Delaware County, Pennsylvania, 19087, United States

    RADNOR, PA 190875220

    Phone: (610) 902-5600

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $1.

Total Amount is formed as General ($1) + Research ($0) + Ownership ($0) = $1.

Last reported payment date: 2023-01-03 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($1).

Total Amount

$1

General + Research + Ownership

Payments

1

Total payment records

General Amount

$1

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-01-03

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: 2004-01-15

PECOS data refreshed: 2026-05-27

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
I20040115000546IInternal MedicinePATBD

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
99214Established patient office or other outpatient visit, 30-39 minutes575353$0
99213Established patient office or other outpatient visit, 20-29 minutes393379$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit327327$0
99215Established patient office or other outpatient visit, 40-54 minutes3837$0
G0438Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit3636$0
View full utilization report →

Insurance plans in this area (ZIP 19087)

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Provider's Procedures

DR. STEVEN A FEINSTEIN (MD) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEPA93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report2724

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: 2062326507View full group profile
NameSpecialtyState
Family PracticePA
Internal MedicinePA
H O S P I T A L I S TPA
Family PracticePA
Internal MedicinePA
Internal MedicineMA
Family PracticePA
Family PracticePA
Hospitalist, Internal MedicinePA
Nurse PractitionerPA

Reviews

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Frequently asked questions

Is there an official ID for DR. STEVEN A FEINSTEIN (MD) in U.S. healthcare records?
The official identifier for DR. STEVEN A FEINSTEIN (MD) is NPI 1104815356.
Active or inactive — what applies to DR. STEVEN A FEINSTEIN (MD)?
You should see DR. STEVEN A FEINSTEIN (MD) as active in CMS-hosted NPPES data.
What expertise is attributed to DR. STEVEN A FEINSTEIN (MD)?
DR. STEVEN A FEINSTEIN (MD)'s specialty line reads Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. STEVEN A FEINSTEIN (MD)?
Directory geography for DR. STEVEN A FEINSTEIN (MD) centers on Radnor, Pennsylvania.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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