John Bartlett, M.D.
NPI 1821090994 · Internal Medicine Physician · Marquette, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Bartlett, M.D. is a Internal Medicine Physician provider in Marquette, MI (NPI 1821090994).
Provider details
- NPI number
- 1821090994
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 4301074280 (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
21 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
1,699 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 311 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 234 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 231 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 179 | $122 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 132 | $13 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 768 | 210 |
| Amlodipine Besylate | 315 | 78 |
| Losartan Potassium | 241 | 66 |
| Omeprazole | 237 | 67 |
| Lisinopril | 204 | 62 |
| Rosuvastatin Calcium | 176 | 47 |
| Simvastatin | 173 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$78 across 5 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
- 2005-06-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Bartlett's NPI number?
- John Bartlett's National Provider Identifier (NPI) is 1821090994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Bartlett's specialty?
- John Bartlett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Bartlett located?
- John Bartlett's practice location on file with NPPES is 1414 W Fair Ave, Marquette, MI 49855-5406.
- What is John Bartlett's phone number?
- The practice phone number listed in the NPPES registry for John Bartlett is (906) 225-4500.
- Does John Bartlett accept Medicare?
- John Bartlett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Bartlett's NPI active?
- Yes — John Bartlett's NPI (1821090994) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.