GARY ROSS SIRKEN (DO) – Nephrology Physician, NPI 1164469334

GARY ROSS SIRKEN (DO) is a healthcare provider. based in Levittown, Pennsylvania. specializing in NEPHROLOGY, INTERNAL MEDICINE. They hold the professional credentials DO. They hold a License No. OS010180L (PA). The NPI Number for GARY ROSS SIRKEN (DO) is 1164469334

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
GARY ROSS SIRKEN (DO)
NPI
1164469334
Phone
(215) 741-3510
Address
PO BOX 538
Enumeration Date
31 May 2006
Last Update Date
13 December 2024

Doctor Profile

Medical School Name
PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Secondary Phone
8005333669
Graduation Year
1997 (29 years ago)
PAC ID
5799757837
Group Practice PAC ID
6406755651
Professional Enrollment ID
I20040810000565
Address ID
PA191073619PH1101XSTXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness75
Years active:20State licenses:1Digital endpointsOther names

738 NEPHROLOGY in PA

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Provider Addresses for GARY ROSS SIRKEN (DO)

  • PO BOX 538

    LEVITTOWN, PA 190580538

    Phone: (215) 741-3510

    Fax: (215) 741-3519

    Type: Mailing

  • Town Center Drive, Langhorne Gardens, Middletown Township, Bucks County, Pennsylvania, 19047, United States

    SUITE 152

    LANGHORNE, PA 190473030

    Phone: (215) 741-3510

    Fax: (215) 741-3519

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 69 Open Payments records for all available years, with a total value of $1,643.

Total Amount is formed as General ($1,643) + Research ($0) + Ownership ($0) = $1,643.

Last reported payment date: 2024-11-27 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($495).

Total Amount

$1,643

General + Research + Ownership

Payments

69

Total payment records

General Amount

$1,643

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-27

Latest reported date

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: 2004-08-10

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
I20040810000565INephrologyPATBD

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
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes743204$0
99214Established patient office or other outpatient visit, 30-39 minutes405232$0
90960Dialysis services, 4 or more physician visits per month (20 years or older)17759$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes149138$0
90961Dialysis services, 2-3 physician visits per month (20 years or older)5237$0
View full utilization report →

Insurance plans in this area (ZIP 19058)

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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: 6406755651View full group profile
NameSpecialtyState
Cardiovascular Disease (Cardiology)PA
-PA
Physician AssistantPA
Certified Registered Nurse Anesthetist (Crna)PA
Thoracic Surgery, Vascular SurgeryPA
Cardiovascular Disease (Cardiology)PA
Interventional Cardiology, Cardiovascular Disease (Cardiology)CA
Gastroenterology, Internal MedicinePA
Physical Medicine And RehabilitationPA
-PA

Reviews

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Frequently asked questions

What identifier follows GARY ROSS SIRKEN (DO) across health systems?
The NPI 1164469334 uniquely identifies GARY ROSS SIRKEN (DO) in U.S. healthcare data.
Should I treat GARY ROSS SIRKEN (DO) as an active provider?
Patients and plans typically see GARY ROSS SIRKEN (DO) as active in the national extract.
What services align with GARY ROSS SIRKEN (DO)'s listing?
GARY ROSS SIRKEN (DO)'s public classification highlights Nephrology Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to GARY ROSS SIRKEN (DO)?
GARY ROSS SIRKEN (DO) shows a connection to Levittown, Pennsylvania in registry-derived data.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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