Mark Gerard Weisenfluh, MD
Family Medicine Physician · Erie, PA
Mark Gerard Weisenfluh, MD is a family medicine physician with a practice address in Erie, Pennsylvania, and NPI 1063414613, issued on Aug 12, 2005. Check the license (Pennsylvania MD041983L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark Gerard Weisenfluh
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD041983L PA
Self-reported in NPPES; status is on the state search - Practice location
- 201 State St, Erie, PA 16550
- Phone
- (814) 877-4922
- Enumerated
- Aug 12, 2005
- Record last updated
- May 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (814) 877-3622
- Medicare enrollment
- Enrolled (PECOS I20041111000392); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 201 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandra AdamsStudent in an Organized Health Care Education/Training Program1841081197
- Joyce Adams, CRNACertified Registered Nurse Anesthetist1134148620
- Samra Ahmad, DOEmergency Medicine Physician1669365151
- Patricia Albaugh, RN-CRNFARegistered Nurse First Assistant1710029111
- John Albert, MDAnesthesiology Physician1992754618
- Nicholas Aloi, MDStudent in an Organized Health Care Education/Training Program1326898354
Verify Mark Gerard Weisenfluh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD041983LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
248 Medicare Part D claims for 108 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 20 claims were for opioids.
Most prescribed
- Dextrose 5%-0.45% Nacl25 claims
- Amoxicillin-Clavulanate Potass14 claims
- Metoprolol Succinate13 claims
- Oxycodone Hcl13 claims
- Hydralazine Hcl11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.6 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
- Regional Health Services IncErie, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Gerard Weisenfluh among 7,483 family medicine physician records in Pennsylvania
Mark Gerard Weisenfluh, 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 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
- Graduated1988 · median 2005 among the 4,529 with a school on file
- Record last updated2020 · 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).
219 family medicine physician records list a practice address in Erie
They are 219 of the 5,083 NPPES records with a practice address in Erie, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Erie → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mbembo Bongutu, MDErie, PA 165501851393268
- James CowlesErie, PA 165501902254360
- Constantine DyErie, PA 165501740593482
- Lisbeth Garcia Arguello, MDErie, PA 165501467981381
- Thomas GignacErie, PA 165501588307359
- Bridget ShanahanErie, PA 165501164472981
- Amrita Chakraborty, MDErie, PA 165441912326455
- Daniel Dimarco, D.O.Erie, PA 165441942202874
Common questions
What is Mark Gerard Weisenfluh, MD's NPI number?
Mark Gerard Weisenfluh, MD's National Provider Identifier (NPI) is 1063414613, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Gerard Weisenfluh, MD located?
The NPPES record lists a practice address at 201 State St, Erie, PA, 16550. Phone: (814) 877-4922. Providers update this record themselves, so call before visiting.
How can I verify Mark Gerard Weisenfluh, MD's license?
NPPES lists Pennsylvania license number MD041983L, 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 Mark Gerard Weisenfluh, MD prescribe under Medicare Part D?
In 2024, Mark Gerard Weisenfluh, MD had 248 Medicare Part D claims for 108 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mark Gerard Weisenfluh, MD's MIPS final score?
The 2023 MIPS final score is 79.6 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.