Mark Petrous, M.D.
NPI 1386781490 · Internal Medicine Physician · Livonia, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Petrous, M.D. is a Internal Medicine Physician provider in Livonia, MI (NPI 1386781490).
Provider details
- NPI number
- 1386781490
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301056981 (MI)
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
946 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 | 213 | $128 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 132 | $12 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 112 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 104 | $91 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician93040 | 70 | $13 |
| Smoking and Tobacco Use Intensive Counseling, 4-10 Minutes99406 | 50 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 365 | 33 |
| Atorvastatin Calcium | 127 | 36 |
| Lisinopril | 114 | 29 |
| Levothyroxine Sodium | 88 | 20 |
| Amlodipine Besylate | 85 | 27 |
| Metoprolol Succinate | 72 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$135 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
- 2007-01-30
- Last updated
- 2018-07-13
Frequently asked questions
- What is Mark Petrous's NPI number?
- Mark Petrous's National Provider Identifier (NPI) is 1386781490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Petrous's specialty?
- Mark Petrous is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Petrous located?
- Mark Petrous's practice location on file with NPPES is 20224 Farmington Rd, Livonia, MI 48152.
- What is Mark Petrous's phone number?
- The practice phone number listed in the NPPES registry for Mark Petrous is (248) 442-0005.
- Does Mark Petrous accept Medicare?
- Mark Petrous is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Petrous's NPI active?
- Yes — Mark Petrous's NPI (1386781490) is active in the NPPES registry as of the last update on 2018-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.