Thomas Barker, MD
NPI 1497448773 · Student in an Organized Health Care Education/Training Program · Lansing, MI
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Barker, MD is a Student in an Organized Health Care Education/Training Program provider in Lansing, MI (NPI 1497448773).
Provider details
- NPI number
- 1497448773
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4351051047 (MI)
Specialties & taxonomies
- Student in an Organized Health Care Education/Training ProgramPrimary390200000XLicense 4351051047 (MI)
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 22 | 11 |
| Omeprazole | 19 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 15 | — |
| Oxycodone Hcl | 13 | — |
| Losartan Potassium | 13 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$343 across 4 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
- 2023-06-01
- Last updated
- 2023-06-01
- Certified
- 2023-06-01
Frequently asked questions
- What is Thomas Barker's NPI number?
- Thomas Barker's National Provider Identifier (NPI) is 1497448773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Barker's specialty?
- Thomas Barker is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Thomas Barker located?
- Thomas Barker's practice location on file with NPPES is 2900 Collins Rd, Lansing, MI 48910-8394.
- What is Thomas Barker's phone number?
- The practice phone number listed in the NPPES registry for Thomas Barker is (517) 975-6000.
- Does Thomas Barker accept Medicare?
- Thomas Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Barker's NPI active?
- Yes — Thomas Barker's NPI (1497448773) is active in the NPPES registry as of the last update on 2023-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.