Doctor profile · Federal record

Dr. Jonathan Adler, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Boston, MA

  • NPI 1609851500
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 38 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St, Fnd 150 Emergency Associates
Boston, MA 021142696
(617) 726-7622
fax (617) 724-4021
Mailing address
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #77491
Medicaid
MA #3109569

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609851500. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
145
Distinct HCPCS
4
Medicare allowed
$23,468
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 75 74 $184
99284 Emergency department visit with moderate level of medical decision making 45 45 $126
99291 Critical care, first 30-74 minutes 14 14 $227
99283 Emergency department visit with low level of medical decision making 11 11 $75

In context: peer comparison

Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 2.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Adler's medical specialty?
Dr. Jonathan Adler practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Jonathan Adler practice?
Dr. Jonathan Adler practices at 55 Fruit St, Boston, MA 021142696. Office phone: 6177267622.
What is Dr. Jonathan Adler's NPI?
Dr. Jonathan Adler's National Provider Identifier (NPI) is 1609851500, issued by NPPES.
Does Dr. Jonathan Adler accept Medicare assignment?
Yes. Dr. Jonathan Adler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Adler 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.