Doctor profile · Federal record

Dr. Himmat Grewal, M.B.,B.S, M.D

Internal Medicine Physician · Worcester, MA

  • NPI 1790198489
  • 12 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
123 Summer St, Suite 120 South
Worcester, MA 016081216
(508) 363-6208

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
June 11, 2014
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #260257

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790198489. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101
Distinct HCPCS
3
Medicare allowed
$18,230
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 67 36 $212
99214 Established patient office or other outpatient visit, 30-39 minutes 17 14 $96
99215 Established patient office or other outpatient visit, 40-54 minutes 17 11 $141

In context: peer comparison

Among 114 peers in Worcester Internal Medicine Physician, average services per provider: 102. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$278
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 1 $111.58
Olympus America INC. 1 $59.05
Merit Medical Systems INC 1 $46.65
Pulmonx Corporation 1 $38.00
Ani Pharmaceuticals, INC. 1 $22.32

By nature of payment

Food and Beverage
$231
Travel and Lodging
$47

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
129
Patients
39
Total drug cost
$19,168
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 66 28 $1,795
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 19 0 $9,544
Fluticasone Propionate Generic 17 11 $275
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 14 0 $7,040
Ipratropium Bromide Generic 13 0 $514

Frequently asked questions

Auto-generated from federal data
What is Dr. Himmat Grewal's medical specialty?
Dr. Himmat Grewal practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Himmat Grewal practice?
Dr. Himmat Grewal practices at 123 Summer St, Worcester, MA 016081216. Office phone: 5083636208.
What is Dr. Himmat Grewal's NPI?
Dr. Himmat Grewal's National Provider Identifier (NPI) is 1790198489, issued by NPPES.
What procedures does Dr. Himmat Grewal commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.