Nicolas Merzlak, DO
NPI 1235751140 · Family Medicine Physician · Cranberry Township, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicolas Merzlak, DO is a Family Medicine Physician provider in Cranberry Township, PA (NPI 1235751140).
Provider details
- NPI number
- 1235751140
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS022853 (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
6 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
294 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 | 142 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 69 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $86 |
| Administration of Influenza Virus VaccineG0008 | 20 | $31 |
| Admn Sarscov2 Vacc 1 Dose90480 | 15 | $41 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 241 | 83 |
| Lisinopril | 150 | 48 |
| Levothyroxine Sodium | 126 | 35 |
| Amlodipine Besylate | 109 | 39 |
| Rosuvastatin Calcium | 104 | 42 |
| Omeprazole | 95 | 33 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 2 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
- 2020-05-13
- Last updated
- 2023-09-01
- Certified
- 2023-09-01
Frequently asked questions
- What is Nicolas Merzlak's NPI number?
- Nicolas Merzlak's National Provider Identifier (NPI) is 1235751140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicolas Merzlak's specialty?
- Nicolas Merzlak is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicolas Merzlak located?
- Nicolas Merzlak's practice location on file with NPPES is 20397 Route 19 Ste 330, Cranberry Township, PA 16066-6133.
- What is Nicolas Merzlak's phone number?
- The practice phone number listed in the NPPES registry for Nicolas Merzlak is (724) 772-3300.
- Does Nicolas Merzlak accept Medicare?
- Nicolas Merzlak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicolas Merzlak's NPI active?
- Yes — Nicolas Merzlak's NPI (1235751140) is active in the NPPES registry as of the last update on 2023-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.