Rehan Rais, MD
NPI 1003268921 · Hospitalist Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rehan Rais, MD is a Hospitalist Physician provider in Saint Louis, MO (NPI 1003268921).
Provider details
- NPI number
- 1003268921
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2019024575 (MO)
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 tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
208 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 35 Minutes99232 | 158 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 50 | $114 |
Typical Medicare-allowed amounts for these services range $76–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 56 | 18 |
| Losartan Potassium | 38 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 33 | — |
| Atorvastatin Calcium | 29 | 15 |
| Hydrochlorothiazide | 27 | — |
| Carvedilol | 26 | — |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-02
- Last updated
- 2025-04-17
- Certified
- 2021-11-10
Frequently asked questions
- What is Rehan Rais's NPI number?
- Rehan Rais's National Provider Identifier (NPI) is 1003268921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rehan Rais's specialty?
- Rehan Rais is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Rehan Rais located?
- Rehan Rais's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Rehan Rais's phone number?
- The practice phone number listed in the NPPES registry for Rehan Rais is (314) 362-1700.
- Does Rehan Rais accept Medicare?
- Rehan Rais is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rehan Rais's NPI active?
- Yes — Rehan Rais's NPI (1003268921) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.