Gregg S. Zernich, D.O.
Family Medicine Physician · Monaca, PA
Gregg S. Zernich, D.O. is a family medicine physician with a practice address in Monaca, Pennsylvania, and NPI 1558387308, issued on Jul 14, 2006. Check the license (Pennsylvania OS006745L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gregg S. Zernich
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS006745L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3950 Brodhead RD, Monaca, PA 15061
- Phone
- (724) 775-5833
- Enumerated
- Jul 14, 2006
- Record last updated
- Sep 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (724) 775-7780
- Medicaid ID
- 0011810810006 PA
- Medicare enrollment
- Enrolled (PECOS I20100803000257); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1986
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 3950 Brodhead RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Coombs, M.D.Family Medicine Physician1972529725
- Michael Dechellis, PTPhysical Therapist1881819118
- Kevin Edwards, PTPhysical Therapist1396939039
- Oriana Menniti, PHARMDPharmacist1265173306
- Elizabeth Salyards, CRNPNurse Practitioner1598870107
- Owen ShaulisPharmacist1255202115
Verify Gregg S. Zernich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS006745LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average family medicine physician in 2024
18,058 Medicare Part D claims for 974 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 1,132 claims were for opioids.
Most prescribed
- Atorvastatin Calcium924 claims
- Omeprazole725 claims
- Levothyroxine Sodium689 claims
- Amlodipine Besylate665 claims
- Losartan Potassium508 claims
- Rosuvastatin Calcium483 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: $2,589.19
153 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Heritage Valley Multispecialty Group IncSewickley, PA
- Mrs Physical TherapyErie, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregg S. Zernich among 7,483 family medicine physician records in Pennsylvania
Gregg S. Zernich, D.O. 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
- Graduated1986 · median 2005 among the 4,529 with a school on file
- Record last updated2015 · 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).
Family Medicine Physician providers in Pennsylvania
There are 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Monaca → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Coombs, M.D.Monaca, PA 150611972529725
- Scott Cook, MDMonessen, PA 150621841255296
- Diane Fox, M.D.Monessen, PA 150621346449279
- Sanketh ProdduturMonessen, PA 150621184037822
- Malcolm Weiss, M.D.Monessen, PA 150621396731766
- Diana Carrola, DOMonongahela, PA 150631609367382
- John Eisley, D.O.Monongahela, PA 150631811990674
- John Holets, M.D.Monongahela, PA 150631427051275
Common questions
What is Gregg S. Zernich, D.O.'s NPI number?
Gregg S. Zernich, D.O.'s National Provider Identifier (NPI) is 1558387308, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregg S. Zernich, D.O. located?
The NPPES record lists a practice address at 3950 Brodhead RD, Monaca, PA, 15061. Phone: (724) 775-5833. Providers update this record themselves, so call before visiting.
How can I verify Gregg S. Zernich, D.O.'s license?
NPPES lists Pennsylvania license number OS006745L, 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 Gregg S. Zernich, D.O. prescribe under Medicare Part D?
In 2024, Gregg S. Zernich, D.O. had 18,058 Medicare Part D claims for 974 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.