Rajesh Singh, M.D.
NPI 1083841902 · Internal Medicine Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rajesh Singh, M.D. is a Internal Medicine Physician provider in Chesterfield, MO (NPI 1083841902).
Provider details
- NPI number
- 1083841902
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2009013415 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
816 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 179 | $165 |
| Advance Care Planning, First 30 Minutes99497 | 92 | $72 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 77 | $103 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 70 | $113 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 54 | $174 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 125 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 498 | 53 |
| Levothyroxine Sodium | 358 | 48 |
| Atorvastatin Calcium | 342 | 39 |
| Apixabanbrand: Eliquis | 293 | 30 |
| Sertraline Hcl | 278 | 27 |
| Pantoprazole Sodium | 269 | 31 |
| Metoprolol Tartrate |
Practice location
Mailing address
Additional practice locations (1)
- 322 Old State RdEllisville, MO 63021-5917Phone: (314) 925-0903
Registry dates
- Enumerated
- 2009-06-18
- Last updated
- 2023-02-27
- Certified
- 2023-02-27
Frequently asked questions
- What is Rajesh Singh's NPI number?
- Rajesh Singh's National Provider Identifier (NPI) is 1083841902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rajesh Singh's specialty?
- Rajesh Singh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rajesh Singh located?
- Rajesh Singh's practice location on file with NPPES is 232 S Woods Mill Rd, Chesterfield, MO 63017-3406.
- What is Rajesh Singh's phone number?
- The practice phone number listed in the NPPES registry for Rajesh Singh is (314) 434-1500.
- Does Rajesh Singh accept Medicare?
- Rajesh Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rajesh Singh's NPI active?
- Yes — Rajesh Singh's NPI (1083841902) is active in the NPPES registry as of the last update on 2023-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.