Mark Bates, M.D.
NPI 1245312917 · Geriatric Medicine (Family Medicine) Physician · Byron Center, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Bates, M.D. is a Geriatric Medicine (Family Medicine) Physician provider in Byron Center, MI (NPI 1245312917).
Provider details
- NPI number
- 1245312917
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301067122 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 317 | 94 |
| Levothyroxine Sodium | 267 | 80 |
| Lisinopril | 177 | 46 |
| Pantoprazole Sodium | 164 | 48 |
| Amlodipine Besylate | 161 | 47 |
| Omeprazole | 159 | 45 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 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
- 2006-10-20
- Last updated
- 2021-03-10
- Certified
- 2021-03-10
Frequently asked questions
- What is Mark Bates's NPI number?
- Mark Bates's National Provider Identifier (NPI) is 1245312917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Bates's specialty?
- Mark Bates is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Bates located?
- Mark Bates's practice location on file with NPPES is 7751 Byron Center Ave Sw, Byron Center, MI 49315-8001.
- What is Mark Bates's phone number?
- The practice phone number listed in the NPPES registry for Mark Bates is (616) 267-7668.
- Does Mark Bates accept Medicare?
- Mark Bates is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Bates's NPI active?
- Yes — Mark Bates's NPI (1245312917) is active in the NPPES registry as of the last update on 2021-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.