David Benjamin Mark Ganetzky, MD
Family Medicine Physician · Philadelphia, PA
David Benjamin Mark Ganetzky, MD is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1043539539, issued on May 24, 2010. Check the license (Pennsylvania MD448727, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David Benjamin Mark Ganetzky
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD448727 PA
Self-reported in NPPES; status is on the state search - Practice location
- 51 N 39TH St, Philadelphia, PA 19104
- Phone
- (215) 662-8777
- Enumerated
- May 24, 2010
- Record last updated
- May 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130727000134); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 51 N 39TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Benjamin Mark Ganetzky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD448727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average family medicine physician in 2024
3,810 Medicare Part D claims for 249 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium319 claims
- Amlodipine Besylate218 claims
- Omeprazole136 claims
- Albuterol Sulfate Hfa125 claims
- Metformin Hcl Er124 claims
- Hydrochlorothiazide123 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
- Trustees OF The University OF PennsylvaniaPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Benjamin Mark Ganetzky among 7,483 family medicine physician records in Pennsylvania
David Benjamin Mark Ganetzky, MD 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 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 38% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2010 · median 2005 among the 4,529 with a school on file
- Record last updated2013 · 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
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- James Corrigan, D.O.Philadelphia, PA 191041538157680
- Peter Cronholm, MDPhiladelphia, PA 191041841235504
- Monica Duvall, MDPhiladelphia, PA 191041982640157
- Daniel Francis, D.O.Philadelphia, PA 191041780623520
Common questions
What is David Benjamin Mark Ganetzky, MD's NPI number?
David Benjamin Mark Ganetzky, MD's National Provider Identifier (NPI) is 1043539539, issued on May 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is David Benjamin Mark Ganetzky, MD located?
The NPPES record lists a practice address at 51 N 39TH St, Philadelphia, PA, 19104. Phone: (215) 662-8777. Providers update this record themselves, so call before visiting.
How can I verify David Benjamin Mark Ganetzky, MD's license?
NPPES lists Pennsylvania license number MD448727, 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 David Benjamin Mark Ganetzky, MD prescribe under Medicare Part D?
In 2024, David Benjamin Mark Ganetzky, MD had 3,810 Medicare Part D claims for 249 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.