Gerard F. Klinzing, MD
Family Medicine Physician · Bryn Mawr, PA
Gerard F. Klinzing, MD is a family medicine physician with a practice address in Bryn Mawr, Pennsylvania, and NPI 1588644108, issued on Jan 19, 2006. Check the license (Pennsylvania MD025267E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gerard F. Klinzing
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD025267E PA
Self-reported in NPPES; status is on the state search - Practice location
- 933 E Haverford RD, Bryn Mawr, PA 19010
- Phone
- (610) 520-5200
- Enumerated
- Jan 19, 2006
- Record last updated
- Sep 17, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (610) 520-1998
- Medicare enrollment
- Enrolled (PECOS I20050628000276); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1980
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 933 E Haverford RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gerard F. Klinzing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD025267ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average family medicine physician in 2024
1,668 Medicare Part D claims for 75 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium127 claims
- Amlodipine Besylate116 claims
- Levothyroxine Sodium88 claims
- Metoprolol Succinate69 claims
- Gabapentin57 claims
- Losartan Potassium51 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
- Main Line HealthcareHaverford, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerard F. Klinzing among 7,483 family medicine physician records in Pennsylvania
Gerard F. Klinzing, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1980 · median 2005 among the 4,529 with a school on file
- Record last updated2014 · 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).
41 family medicine physician records list a practice address in Bryn Mawr
They are 41 of the 1,496 NPPES records with a practice address in Bryn Mawr, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Bryn Mawr → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christine Black-Langenau, D.O.Bryn Mawr, PA 190101548375348
- Brian BullockBryn Mawr, PA 190101376648311
- Anthony Camp, M.D.Bryn Mawr, PA 190101407836174
- Priscilla Chiu, MDBryn Mawr, PA 190101861472474
- Wendy Fuhr, MDBryn Mawr, PA 190101770555864
- John Gimpel, D.O.Bryn Mawr, PA 190101376533596
- Sean Green, M.D.Bryn Mawr, PA 190101548296601
- Scott Greenberg, MDBryn Mawr, PA 190101972653384
Common questions
What is Gerard F. Klinzing, MD's NPI number?
Gerard F. Klinzing, MD's National Provider Identifier (NPI) is 1588644108, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerard F. Klinzing, MD located?
The NPPES record lists a practice address at 933 E Haverford RD, Bryn Mawr, PA, 19010. Phone: (610) 520-5200. Providers update this record themselves, so call before visiting.
How can I verify Gerard F. Klinzing, MD's license?
NPPES lists Pennsylvania license number MD025267E, 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 Gerard F. Klinzing, MD prescribe under Medicare Part D?
In 2024, Gerard F. Klinzing, MD had 1,668 Medicare Part D claims for 75 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.