Noi Walkenstein, DO
Internal Medicine Physician · Philadelphia, PA
Noi Walkenstein, DO is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1003852013, issued on Jun 20, 2006. Check the license (Pennsylvania OS007932L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Noi Walkenstein
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS007932L PA
Self-reported in NPPES; status is on the state search - Practice location
- 2607 Rhawn St, Philadelphia, PA 19152
- Phone
- (215) 333-0304
- Enumerated
- Jun 20, 2006
- Record last updated
- Jul 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 333-1402
- Medicare enrollment
- Enrolled (PECOS I20060823000451); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 2607 Rhawn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- William Jantsch, MDEmergency Medicine Physician1245382241
- Allen Kagan, MDEmergency Medical Services (Emergency Medicine) Physician1952354227
Verify Noi Walkenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS007932LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
545 Medicare Part D claims for 253 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass30 claims
- Amlodipine Besylate22 claims
- Atorvastatin Calcium20 claims
- Albuterol Sulfate Hfa19 claims
- Fluticasone Propionate17 claims
- Lisinopril16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $136.54
7 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mydoc Urgent CarePhiladelphia, PA
- Suburban Medical Group LLCPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Noi Walkenstein among 7,300 internal medicine physician records in Pennsylvania
Noi Walkenstein, DO is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1991 · median 2008 among the 4,208 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Violetta Berdichevskaya, M.D.Philadelphia, PA 191521104882646
- Lee Celio, M.D.Philadelphia, PA 191521871592436
- Gregory Derusso, M.D.Philadelphia, PA 191521316959141
- Roman Dykyj, M.D.Philadelphia, PA 191521891882973
- Ewa Fabiszewska, M.D.Philadelphia, PA 191521013946771
- Bethala Franklin, M.D.Philadelphia, PA 191521750392171
- Xiaoming Hong, MDPhiladelphia, PA 191521881626638
- Hemlata Kalwani, MDPhila, PA 191521255491593
Common questions
What is Noi Walkenstein, DO's NPI number?
Noi Walkenstein, DO's National Provider Identifier (NPI) is 1003852013, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Noi Walkenstein, DO located?
The NPPES record lists a practice address at 2607 Rhawn St, Philadelphia, PA, 19152. Phone: (215) 333-0304. Providers update this record themselves, so call before visiting.
How can I verify Noi Walkenstein, DO's license?
NPPES lists Pennsylvania license number OS007932L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Noi Walkenstein, DO prescribe under Medicare Part D?
In 2024, Noi Walkenstein, DO had 545 Medicare Part D claims for 253 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.