Gary David Zimmer, MD
Emergency Medicine Physician · Reading, PA
Gary David Zimmer, MD is an emergency medicine physician with a practice address in Reading, Pennsylvania, and NPI 1053368407, issued on May 30, 2006. Check the license (Pennsylvania MD427612, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gary David Zimmer
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD427612 PA
25MA09331300 NJ
274761 NY
MD14110 RI
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Bernville RD, Reading, PA 19605
- Phone
- (215) 710-5900
- Enumerated
- May 30, 2006
- Record last updated
- Aug 20, 2024
- Fax
- (866) 789-6895
- Medicare enrollment
- Enrolled (PECOS I20240827002668); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 2500 Bernville RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary David Zimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD427612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average emergency medicine physician in 2024
181 Medicare Part D claims for 141 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Prednisone22 claims
- Cephalexin16 claims
- Tramadol Hcl16 claims
- Azithromycin15 claims
- Sulfamethoxazole-Trimethoprim14 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.
Industry payments in 2024: $39.47
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Emergency Physician Services OF New York, P.C.Utica, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary David Zimmer among 3,911 emergency medicine physician records in Pennsylvania
Gary David Zimmer, MD is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 69% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1997 · median 2013 among the 2,231 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Pennsylvania
There are 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Reading → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Celeste Saunders, M.DReading, PA 196051215906565
- Anthony Conti, D.O.Reading, PA 196041205007051
- George DesjardinsReading, PA 196041114979333
- Alla Goldman, MDReading, PA 196041205888278
- Elizabeth Howe, MDReading, PA 196041851345599
- David Wright, MDReading, PA 196041104870716
- Mohammad Paryavi, MDWyomissing, PA 196101336529130
- Charles Barbera, M.D.West Reading, PA 196111851398242
Common questions
What is Gary David Zimmer, MD's NPI number?
Gary David Zimmer, MD's National Provider Identifier (NPI) is 1053368407, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary David Zimmer, MD located?
The NPPES record lists a practice address at 2500 Bernville RD, Reading, PA, 19605. Phone: (215) 710-5900. Providers update this record themselves, so call before visiting.
How can I verify Gary David Zimmer, MD's license?
NPPES lists Pennsylvania license number MD427612, 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 Gary David Zimmer, MD prescribe under Medicare Part D?
In 2024, Gary David Zimmer, MD had 181 Medicare Part D claims for 141 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.