Ogubay Mesmer, MD
NPI 1801856141 · Cardiovascular Disease Physician · Niles, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ogubay Mesmer, MD is a Cardiovascular Disease Physician provider in Niles, MI (NPI 1801856141).
Provider details
- NPI number
- 1801856141
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301079120 (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
20 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
1,537 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 509 | $89 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 304 | $14 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 201 | $68 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 108 | $110 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 70 | $56 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 695 | 132 |
| Metoprolol Succinate | 487 | 157 |
| Metoprolol Tartrate | 429 | 122 |
| Losartan Potassium | 402 | 122 |
| Amlodipine Besylate | 372 | 106 |
| Atorvastatin Calcium | 302 | 98 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$314 across 29 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
- 2006-03-23
- Last updated
- 2020-02-21
- Certified
- 2020-02-21
Frequently asked questions
- What is Ogubay Mesmer's NPI number?
- Ogubay Mesmer's National Provider Identifier (NPI) is 1801856141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ogubay Mesmer's specialty?
- Ogubay Mesmer is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ogubay Mesmer located?
- Ogubay Mesmer's practice location on file with NPPES is 61 N St Joseph Ave, Niles, MI 49120.
- What is Ogubay Mesmer's phone number?
- The practice phone number listed in the NPPES registry for Ogubay Mesmer is (269) 684-6777.
- Does Ogubay Mesmer accept Medicare?
- Ogubay Mesmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ogubay Mesmer's NPI active?
- Yes — Ogubay Mesmer's NPI (1801856141) is active in the NPPES registry as of the last update on 2020-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.