Behfar Dianati, M.D.
NPI 1558580852 · Hospitalist Physician · Belleville, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Behfar Dianati, M.D. is a Hospitalist Physician provider in Belleville, IL (NPI 1558580852).
Provider details
- NPI number
- 1558580852
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036124202 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,262 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 292 | $117 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 220 | $112 |
| Advance Care Planning, First 30 Minutes99497 | 206 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 133 | $78 |
| Critical Care, First 30-74 Minutes99291 | 123 | $213 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 100 | $178 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 167 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 810 | 132 |
| Apixabanbrand: Eliquis | 398 | 55 |
| Potassium Chloride | 394 | 66 |
| Furosemide | 374 | 84 |
| Gabapentin | 319 | 61 |
| Levothyroxine Sodium | 304 | 59 |
| Metoprolol Succinate | 271 |
Practice location
Mailing address
Additional practice locations (1)
- 1201 S Grand BlvdSaint Louis, MO 63104-1016Phone: (314) 617-2000
Registry dates
- Enumerated
- 2007-04-25
- Last updated
- 2025-05-27
- Certified
- 2025-05-27
Frequently asked questions
- What is Behfar Dianati's NPI number?
- Behfar Dianati's National Provider Identifier (NPI) is 1558580852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Behfar Dianati's specialty?
- Behfar Dianati is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Behfar Dianati located?
- Behfar Dianati's practice location on file with NPPES is 4550 Memorial Dr, Belleville, IL 62226-5372.
- What is Behfar Dianati's phone number?
- The practice phone number listed in the NPPES registry for Behfar Dianati is (618) 257-6200.
- Does Behfar Dianati accept Medicare?
- Behfar Dianati is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Behfar Dianati's NPI active?
- Yes — Behfar Dianati's NPI (1558580852) is active in the NPPES registry as of the last update on 2025-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.