Doctor profile · Federal record

Dr. Manamar Singh, M.D

Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL

  • NPI 1770899221
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1901 W Harrison St
Chicago, IL 606123714
(312) 864-6000
Mailing address
2007 Fairfield Dr
Plainfield, IL 605865389

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #125058274

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770899221. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,784
Distinct HCPCS
10
Medicare allowed
$772,973
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,874 559 $123
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 995 491 $77
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 770 397 $110
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 656 142 $82
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 619 555 $138
99239 Hospital discharge day management, more than 30 minutes 495 446 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 453 421 $179
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 388 373 $135
99238 Hospital discharge day management, 30 minutes or less 230 224 $83
99315 Nursing facility discharge day management, 30 minutes or less 198 189 $84

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 40× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,355
Patients
1,018
Total drug cost
$196,981
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 608 137 $7,458
Furosemide Generic 387 113 $2,725
Amlodipine Besylate Generic 367 105 $2,873
Eliquis (Apixaban) Brand 360 88 $141,124
Pantoprazole Sodium Generic 314 84 $4,299
Levothyroxine Sodium Generic 311 66 $4,758
Memantine Hcl Generic 296 34 $12,428
Gabapentin Generic 274 57 $4,605
Metoprolol Tartrate Generic 260 66 $1,988
Metoprolol Succinate Generic 212 57 $2,804

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Manamar Singh's medical specialty?
Dr. Manamar Singh practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Manamar Singh practice?
Dr. Manamar Singh practices at 1901 W Harrison St, Chicago, IL 606123714. Office phone: 3128646000.
What is Dr. Manamar Singh's NPI?
Dr. Manamar Singh's National Provider Identifier (NPI) is 1770899221, issued by NPPES.
Does Dr. Manamar Singh accept Medicare assignment?
Yes. Dr. Manamar Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Manamar Singh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.