Doctor profile · Federal record

Dr. Jason Grunes, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Braintree, MA

  • NPI 1619131539
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
250 Pond St
Braintree, MA 021845351
(774) 270-1618

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
April 24, 2012
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #248248

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619131539. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,894
Distinct HCPCS
4
Medicare allowed
$624,067
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 3,639 532 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 1,124 395 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 604 553 $184
99239 Hospital discharge day management, more than 30 minutes 527 491 $123

In context: peer comparison

Among 17 peers in this city , average services per provider: 110. This provider delivers 54× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
898
Patients
745
Total drug cost
$38,300
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 116 89 $1,768
Amlodipine Besylate Generic 91 71 $462
Furosemide Generic 91 69 $309
Atorvastatin Calcium Generic 87 70 $1,016
Eliquis (Apixaban) Brand 63 58 $31,484
Oxycodone Hcl Generic 53 49 $231
Gabapentin Generic 51 46 $576
Losartan Potassium Generic 50 41 $419
Pantoprazole Sodium Generic 48 46 $537
Spironolactone Generic 47 36 $199

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Grunes's medical specialty?
Dr. Jason Grunes practices Internal Medicine Physician in Braintree, MA.
Where does Dr. Jason Grunes practice?
Dr. Jason Grunes practices at 250 Pond St, Braintree, MA 021845351. Office phone: 7742701618.
What is Dr. Jason Grunes's NPI?
Dr. Jason Grunes's National Provider Identifier (NPI) is 1619131539, issued by NPPES.
Does Dr. Jason Grunes accept Medicare assignment?
Yes. Dr. Jason Grunes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Grunes 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.