Mary Buswell, MD
NPI 1730766387 · Addiction Medicine (Family Medicine) Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Buswell, MD is a Addiction Medicine (Family Medicine) Physician provider in Chicago, IL (NPI 1730766387).
Provider details
- NPI number
- 1730766387
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036.178026 (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 tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 43 | 13 |
| Gabapentin | 38 | — |
| Lisinopril | 30 | — |
| Amlodipine Besylate | 29 | 12 |
| Ibuprofen | 21 | — |
| Metformin Hcl | 20 | — |
| Metformin Hclbrand: Metformin Hcl Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-28
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Mary Buswell's NPI number?
- Mary Buswell's National Provider Identifier (NPI) is 1730766387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Buswell's specialty?
- Mary Buswell is listed in the NPPES registry with a primary specialty of Addiction Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Buswell located?
- Mary Buswell's practice location on file with NPPES is 5425 W Lake St, Chicago, IL 60644-2342.
- What is Mary Buswell's phone number?
- The practice phone number listed in the NPPES registry for Mary Buswell is (773) 378-3347.
- Does Mary Buswell accept Medicare?
- Mary Buswell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Buswell's NPI active?
- Yes — Mary Buswell's NPI (1730766387) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.