Didar Singh, M.D.
NPI 1952563488 · Hospitalist Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Didar Singh, M.D. is a Hospitalist Physician provider in Springfield, IL (NPI 1952563488).
Provider details
- NPI number
- 1952563488
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036121709 (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 tenure28% of score
17 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
1,478 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 | 539 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 506 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 124 | $168 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 110 | $80 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 90 | $111 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 58 | 33 |
| Apixabanbrand: Eliquis | 57 | 36 |
| Potassium Chloride | 56 | 12 |
| Amlodipine Besylate | 54 | 21 |
| Furosemide | 52 | 32 |
| Prednisone | 45 | 37 |
| Pantoprazole Sodium | 41 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-26
- Last updated
- 2026-04-07
- Certified
- 2026-04-07
Frequently asked questions
- What is Didar Singh's NPI number?
- Didar Singh's National Provider Identifier (NPI) is 1952563488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Didar Singh's specialty?
- Didar Singh is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Didar Singh located?
- Didar Singh's practice location on file with NPPES is 701 N 1st St, Springfield, IL 62702-3757.
- What is Didar Singh's phone number?
- The practice phone number listed in the NPPES registry for Didar Singh is (217) 528-7541.
- Does Didar Singh accept Medicare?
- Didar Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Didar Singh's NPI active?
- Yes — Didar Singh's NPI (1952563488) is active in the NPPES registry as of the last update on 2026-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.