Dennis G. Winkelman, D.O.
Family Medicine Physician · Philadelphia, PA
Dennis G. Winkelman, D.O. is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1255323424, issued on Aug 16, 2005. Check the license (Pennsylvania OS008886L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Dennis G. Winkelman
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS008886L PA
Self-reported in NPPES; status is on the state search - Practice location
- 5325 Old York RD Ste 15, Philadelphia, PA 19141
- Phone
- (215) 457-7700
- Enumerated
- Aug 16, 2005
- Record last updated
- Feb 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (215) 457-3601
- Medicaid ID
- 103761726 PA
- Medicare enrollment
- Enrolled (PECOS I20060619000273); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Dennis G. Winkelman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS008886LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average family medicine physician in 2024
12,032 Medicare Part D claims for 582 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,025 claims
- Amlodipine Besylate551 claims
- Albuterol Sulfate Hfa463 claims
- Hydrochlorothiazide388 claims
- Nifedipine Er334 claims
- Lisinopril327 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.
Bills Medicare through one group practice
- Einstein Community Health Associates IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis G. Winkelman among 7,483 family medicine physician records in Pennsylvania
Dennis G. Winkelman, D.O. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1994 · median 2005 among the 4,529 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
800 family medicine physician records list a practice address in Philadelphia
They are 800 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Philadelphia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Earl Brown, MDPhiladelphia, PA 191411225091556
- Joseph Gold, DOPhiladelphia, PA 191411891748695
- Suzanna Hosein, DOPhiladelphia, PA 191411629509435
- Jordan Knox, MDPhiladelphia, PA 191411396130902
- Robert McClowry, MDPhiladelphia, PA 191411275952764
- Bryan Nomen, M.D.Philadelphia, PA 191411831501857
- Needhi Pattani, D.O.Philadelphia, PA 191411528595287
- Maria Ryhal, MDPhiladelphia, PA 191411578662383
Common questions
What is Dennis G. Winkelman, D.O.'s NPI number?
Dennis G. Winkelman, D.O.'s National Provider Identifier (NPI) is 1255323424, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dennis G. Winkelman, D.O. located?
The NPPES record lists a practice address at 5325 Old York RD Ste 15, Philadelphia, PA, 19141. Phone: (215) 457-7700. Providers update this record themselves, so call before visiting.
How can I verify Dennis G. Winkelman, D.O.'s license?
NPPES lists Pennsylvania license number OS008886L, 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 Dennis G. Winkelman, D.O. prescribe under Medicare Part D?
In 2024, Dennis G. Winkelman, D.O. had 12,032 Medicare Part D claims for 582 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.