Robert Sobel, M.D
NPI 1285707851 · Endocrinology, Diabetes & Metabolism Physician · Chicago, IL
Robert Sobel, M.D is a Endocrinology, Diabetes & Metabolism Physician provider in Chicago, IL (NPI 1285707851).
Provider details
- NPI number
- 1285707851
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 183 | 50 |
| Amlodipine Besylate | 114 | 24 |
| Metformin Hclbrand: Metformin Hcl Er | 82 | 24 |
| Semaglutidebrand: Ozempic | 82 | 16 |
| Rosuvastatin Calcium | 82 | 18 |
| Levothyroxine Sodium | 78 | 22 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Sobel's NPI number?
- Robert Sobel's National Provider Identifier (NPI) is 1285707851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Sobel's specialty?
- Robert Sobel is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Sobel located?
- Robert Sobel's practice location on file with NPPES is 30 N Michigan Ave, Chicago, IL 60602-3402.
- What is Robert Sobel's phone number?
- The practice phone number listed in the NPPES registry for Robert Sobel is (312) 726-0005.
- Is Robert Sobel's NPI active?
- Yes — Robert Sobel's NPI (1285707851) 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.