Michael Pack, MD
Gastroenterology Physician · Philadelphia, PA
Michael Pack, MD is a gastroenterology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1477567162, issued on Jul 28, 2006. Check the license (Pennsylvania MD034667E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Michael Pack
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD034667E PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 349-8222
- Enumerated
- Jul 28, 2006
- Record last updated
- Nov 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (215) 662-6530
- Medicare enrollment
- Enrolled (PECOS I20100317000336); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samir Abu Gazala, M.D.Surgery Physician1750708251
Verify Michael Pack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD034667ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average gastroenterology physician in 2024
48 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Pack among 1,049 gastroenterology physician records in Pennsylvania
Michael Pack, MD is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1984 · median 2003 among the 769 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Pennsylvania
There are 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Philadelphia → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- George Ahtardis, MDPhiladelphia, PA 191041245287465
- Ragunath Appasamy, MD PHDPhiladelphia, PA 191041467401976
- Anna Buchner, MDPhiladelphia, PA 191041952336471
- Gary Falk, MDPhiladelphia, PA 191041699732537
- Jesse Green, MDPhiladelphia, PA 191041952393027
- David Ingis, MDPhiladelphia, PA 191041083637722
- David Jaffe, MDPhiladelphia, PA 191041477593465
- James Lewis, MDPhiladelphia, PA 191041841204872
Common questions
What is Michael Pack, MD's NPI number?
Michael Pack, MD's National Provider Identifier (NPI) is 1477567162, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Pack, MD located?
The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 349-8222. Providers update this record themselves, so call before visiting.
How can I verify Michael Pack, MD's license?
NPPES lists Pennsylvania license number MD034667E, 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 Michael Pack, MD prescribe under Medicare Part D?
In 2024, Michael Pack, MD had 48 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Michael Pack, MD's MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.