Doctor profile · Federal record

Dr. Rene Umanzor, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Leominster, MA

  • NPI 1508890708
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
60 Hospital RD
Leominster, MA 014532205
(978) 465-4169
fax (978) 466-4017
Additional location
101 Page St
New Bedford, MA 027403464
(508) 973-5919
fax (508) 973-5916
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 22, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #151147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508890708. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
639
Distinct HCPCS
5
Medicare allowed
$90,521
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 317 306 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 222 213 $175
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 61 61 $83
99234 Initial hospital care with same-day admission and discharge with straightforward or low level of medical decision making, per day, if using time, at least 45 minutes 20 20 $99
99235 Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes 19 19 $161

In context: peer comparison

Among 10 peers in Leominster Internal Medicine Physician, average services per provider: 164. This provider delivers 3.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rene Umanzor's medical specialty?
Dr. Rene Umanzor practices Internal Medicine Physician in Leominster, MA.
Where does Dr. Rene Umanzor practice?
Dr. Rene Umanzor practices at 60 Hospital RD, Leominster, MA 014532205. Office phone: 9784654169.
What is Dr. Rene Umanzor's NPI?
Dr. Rene Umanzor's National Provider Identifier (NPI) is 1508890708, issued by NPPES.
Does Dr. Rene Umanzor accept Medicare assignment?
Yes. Dr. Rene Umanzor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rene Umanzor commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.