Martin Gleespen, M.D.
NPI 1275567828 · Geriatric Medicine (Internal Medicine) Physician · Chelsea, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Gleespen, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Chelsea, MI (NPI 1275567828).
Provider details
- NPI number
- 1275567828
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MG048067 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
852 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 312 | $91 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 219 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 104 | $178 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 88 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 80 | $123 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 233 | 57 |
| Levothyroxine Sodium | 215 | 57 |
| Lisinopril | 214 | 50 |
| Omeprazole | 196 | 60 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 161 | 48 |
| Atorvastatin Calcium | 139 | 44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2022-12-19
- Certified
- 2022-12-19
Frequently asked questions
- What is Martin Gleespen's NPI number?
- Martin Gleespen's National Provider Identifier (NPI) is 1275567828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Gleespen's specialty?
- Martin Gleespen is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Gleespen located?
- Martin Gleespen's practice location on file with NPPES is 1290 S Main St, Chelsea, MI 48118-1454.
- What is Martin Gleespen's phone number?
- The practice phone number listed in the NPPES registry for Martin Gleespen is (734) 475-1107.
- Does Martin Gleespen accept Medicare?
- Martin Gleespen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Gleespen's NPI active?
- Yes — Martin Gleespen's NPI (1275567828) is active in the NPPES registry as of the last update on 2022-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.