Doctor profile · Federal record

Dr. Didar Singh, M.D.

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Springfield, IL

  • NPI 1952563488
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 N 1St St
Springfield, IL 627023757
(217) 528-7541
fax (217) 606-3057
Mailing address
Po Box 19248
Springfield, IL 627949248

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 7, 2026
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036121709

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952563488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,732
Distinct HCPCS
9
Medicare allowed
$176,942
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 680 207 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 596 161 $118
99238 Hospital discharge day management, 30 minutes or less 143 141 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 123 120 $172
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 66 66 $128
99239 Hospital discharge day management, more than 30 minutes 56 55 $111
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 33 32 $131
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 22 11 $49
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 13 13 $79

In context: peer comparison

Among 26 peers in this city , average services per provider: 150. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
709
Patients
335
Total drug cost
$43,410
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 107 39 $1,007
Eliquis (Apixaban) Brand 83 31 $37,930
Amlodipine Besylate Generic 55 20 $311
Metoprolol Succinate Generic 54 34 $635
Furosemide Generic 52 34 $229
Metformin Hcl Generic 44 11 $228
Gabapentin Generic 41 20 $399
Pantoprazole Sodium Generic 41 27 $349
Potassium Chloride Generic 40 12 $325
Lisinopril Generic 38 16 $189

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Didar Singh's medical specialty?
Dr. Didar Singh practices Hospitalist Physician in Springfield, IL.
Where does Dr. Didar Singh practice?
Dr. Didar Singh practices at 701 N 1St St, Springfield, IL 627023757. Office phone: 2175287541.
What is Dr. Didar Singh's NPI?
Dr. Didar Singh's National Provider Identifier (NPI) is 1952563488, issued by NPPES.
Does Dr. Didar Singh accept Medicare assignment?
Yes. Dr. Didar Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Didar Singh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.