Bonnie Thomas, MD
NPI 1851321467 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bonnie Thomas, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1851321467).
Provider details
- NPI number
- 1851321467
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036101029 (IL)
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
3 documented practice locations
- 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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 50 | 17 |
| Amlodipine Besylate | 41 | 19 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 40 | — |
| Tramadol Hcl | 35 | — |
| Atorvastatin Calcium | 32 | 15 |
| Gabapentin | 28 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,103 across 142 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
Additional practice locations (2)
- 1901 W Harrison StChicago, IL 60612-3714Phone: (312) 864-6000Fax: (773) 753-5590
- 1276 N Clybourn AveChicago, IL 60610-2089Phone: (312) 337-1073
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2022-01-06
- Certified
- 2022-01-06
Frequently asked questions
- What is Bonnie Thomas's NPI number?
- Bonnie Thomas's National Provider Identifier (NPI) is 1851321467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Thomas's specialty?
- Bonnie Thomas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bonnie Thomas located?
- Bonnie Thomas's practice location on file with NPPES is 1525 E 55th St, Chicago, IL 60615-5512.
- What is Bonnie Thomas's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Thomas is (773) 548-3957.
- Does Bonnie Thomas accept Medicare?
- Bonnie Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bonnie Thomas's NPI active?
- Yes — Bonnie Thomas's NPI (1851321467) is active in the NPPES registry as of the last update on 2022-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.