Doctor profile · Federal record

Dr. Theodore Benzer, MD PHD

Internal Medicine Physician · Emergency Medicine Physician · Boston, MA

  • NPI 1679563860
  • 21 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St, Zero Emerson Place Suite 3B
Boston, MA 021142621
(617) 724-4100
fax (617) 726-9202
Mailing address
Po Box 9142
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
November 19, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #47427
Medicaid
MA #6187838

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679563860. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
629
Distinct HCPCS
10
Medicare allowed
$95,483
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 221 218 $182
99284 Emergency department visit with moderate level of medical decision making 107 106 $126
99291 Critical care, first 30-74 minutes 76 75 $223
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 68 67 $184
99239 Hospital discharge day management, more than 30 minutes 39 39 $123
93308 Ultrasound of heart, follow-up 27 27 $26
99283 Emergency department visit with low level of medical decision making 25 24 $75
76857 Limited ultrasound scan of pelvis 15 15 $25
36410 Insertion of needle into vein (3 years or older) 14 14 $9
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 13 13 $221

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 7.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Theodore Benzer's medical specialty?
Dr. Theodore Benzer practices Internal Medicine Physician in Boston, MA.
Where does Dr. Theodore Benzer practice?
Dr. Theodore Benzer practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177244100.
What is Dr. Theodore Benzer's NPI?
Dr. Theodore Benzer's National Provider Identifier (NPI) is 1679563860, issued by NPPES.
What procedures does Dr. Theodore Benzer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.