Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

YOON J AHN MD
NPI 1396782892
Internal Medicine - Nephrology in Phila, PA

Q: What is Yoon Ahn's NPI number?

The NPI number for Yoon Ahn is 1396782892. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Q: What is Yoon Ahn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Yoon Ahn was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 01, 2006PECOS EnrolledAccepts Medicare Assignment

2228 S BROAD ST, PHILA, PA 19145(215) 467-8795(215) 467-8956 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Yoon J Ahn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YOON J AHN MD (NPI 1396782892) is an individual nephrology provider in Phila, Pennsylvania, licensed in Pennsylvania (MD061394L) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Temple University School Of Medicine (1991).

NPPES Registry Identity

NPI1396782892

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameYOON J AHNCredential: MD

Location Address2228 S BROAD STPhila, PA 19145-3923

Mailing Address2228 S Broad StPhila, PA 19145-3923 · (215) 467-8795 · Fax (215) 467-8956

Phone(215) 467-8795

Fax(215) 467-8956

Sole ProprietorNo

Medical School CMSTemple University School Of MedicineGraduated 1991

Enumeration DateJune 1, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1396782892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in PA · MD061394L

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

2228 S BROAD ST, Phila, PA 19145

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Yoon J Ahn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032185947

PECOS Enrollment IDI20040902000494

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

223 services90 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

28 services27 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390174

Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19145 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EDWARD J FILIPPONE MD PC

Internal Medicine (Nephrology)

2228 S BROAD ST
PHILADELPHIA, PA 19145

Philadelphia County (215) 467-8955

ERIC D NEWMAN DO

Internal Medicine (Nephrology)

2228 S BROAD ST
PHILA, PA 19145

Philadelphia County (215) 467-8955

EDWARD J FILIPPONE MD

Internal Medicine (Nephrology)

2228 S BROAD ST
PHILA, PA 19145

Philadelphia County (215) 467-8955

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yoon Ahn's NPI number?

The NPI number for Yoon Ahn is 1396782892. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Where is Yoon Ahn located?

Yoon Ahn practices at 2228 S Broad St, Phila, PA 19145. The listed phone number is (215) 467-8795.

What is Yoon Ahn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Yoon Ahn enrolled in Medicare?

Yes. Yoon Ahn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Yoon Ahn affiliated with any hospitals?

According to CMS data, Yoon Ahn is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Yoon Ahn was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.