Doctor profile · Federal record

Dr. Ismael Rivera, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Family Medicine Physician · Concord, MA

  • NPI 1750873816
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 Old Road to 9 Acre Cor, Dept of Hospital Medicine
Concord, MA 017424169
(978) 287-8311
Mailing address
133 Old Road to Nac Cor, Dept. of Hospital Medicine
Concord, MA 017424159

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
July 9, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (3)
Massachusetts #290810 · Pennsylvania #MT215340 · Pennsylvania #MD475400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750873816. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
922
Distinct HCPCS
6
Medicare allowed
$103,661
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 330 158 $126
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 294 174 $84
99239 Hospital discharge day management, more than 30 minutes 195 188 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 56 55 $184
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 32 22 $53
99238 Hospital discharge day management, 30 minutes or less 15 15 $87

In context: peer comparison

Among 1 peers in Concord Family Medicine Physician, average services per provider: 153. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
43
Patients
26
Total drug cost
$3,188
Drug Type Claims Patients Total cost
Ampicillin Sodium Generic 16 0 $2,750
Prednisone Generic 15 14 $70
Cefpodoxime Proxetil Generic 12 12 $368

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ismael Rivera's medical specialty?
Dr. Ismael Rivera practices Family Medicine Physician in Concord, MA.
Where does Dr. Ismael Rivera practice?
Dr. Ismael Rivera practices at 133 Old Road to 9 Acre Cor, Concord, MA 017424169. Office phone: 9782878311.
What is Dr. Ismael Rivera's NPI?
Dr. Ismael Rivera's National Provider Identifier (NPI) is 1750873816, issued by NPPES.
Does Dr. Ismael Rivera accept Medicare assignment?
Yes. Dr. Ismael Rivera accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ismael Rivera commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.