Gregg Zernich, D.O.
NPI 1558387308 · Family Medicine Physician · Monaca, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Zernich, D.O. is a Family Medicine Physician provider in Monaca, PA (NPI 1558387308).
Provider details
- NPI number
- 1558387308
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS006745L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
670 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 237 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 115 | $85 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 103 | $171 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 75 | $121 |
| Administration of Influenza Virus VaccineG0008 | 43 | $31 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 191 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 924 | 238 |
| Omeprazole | 725 | 172 |
| Levothyroxine Sodium | 689 | 165 |
| Amlodipine Besylate | 665 | 176 |
| Losartan Potassium | 508 | 131 |
| Rosuvastatin Calcium | 483 | 145 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,589 across 153 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2015-09-16
Frequently asked questions
- What is Gregg Zernich's NPI number?
- Gregg Zernich's National Provider Identifier (NPI) is 1558387308, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Zernich's specialty?
- Gregg Zernich is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Zernich located?
- Gregg Zernich's practice location on file with NPPES is 3950 Brodhead Rd, Monaca, PA 15061-3030.
- What is Gregg Zernich's phone number?
- The practice phone number listed in the NPPES registry for Gregg Zernich is (724) 775-5833.
- Does Gregg Zernich accept Medicare?
- Gregg Zernich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Zernich's NPI active?
- Yes — Gregg Zernich's NPI (1558387308) is active in the NPPES registry as of the last update on 2015-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.