David Aizenberg, MD
Internal Medicine Physician · Philadelphia, PA
David Aizenberg, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1407061880, issued on May 11, 2007. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David Aizenberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 3701 Market Street, Philadelphia, PA 19104
- Phone
- (215) 662-2250
- Enumerated
- May 11, 2007
- Entity
- Type 1 · individual
Also registered at 3701 Market Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Aizenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
44% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,569 Medicare Part D claims for 164 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium123 claims
- Amlodipine Besylate99 claims
- Metformin Hcl57 claims
- Metoprolol Succinate47 claims
- Gabapentin43 claims
- Omeprazole42 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.
2 hospital and facility affiliations
- Trustees OF The University OF PennsylvaniaPhiladelphia, PA
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2,259 internal medicine physician records list a Philadelphia practice address
They are 2,259 of the 42,849 NPPES records with a Philadelphia practice address, and 8,636 internal medicine physician records in Pennsylvania.
All 2,259 in Philadelphia → All 8,636 in Pennsylvania → Every provider in Philadelphia →
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Common questions
What is David Aizenberg, MD's NPI number?
David Aizenberg, MD's National Provider Identifier (NPI) is 1407061880, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Aizenberg, MD located?
The NPPES record lists a practice address at 3701 Market Street, Philadelphia, PA, 19104. Phone: (215) 662-2250. Providers update this record themselves, so call before visiting.
How can I verify David Aizenberg, MD's license?
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 Aizenberg, MD prescribe under Medicare Part D?
In 2024, David Aizenberg, MD had 1,569 Medicare Part D claims for 164 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.