Doctor profile · Federal record

Dr. John Hardin, M.D.

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

  • NPI 1609161959
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 7 locations .

NPPES Updated May 11, 2026
Primary practice
1 Deaconess Road, W-Cc2, BIDMC Dept of Emergency Medicine
Boston, MA 022155321
(617) 754-2339
fax (617) 754-2350
Additional location
119 Belmont St
Worcester, MA 016052903
(508) 421-1400
fax (508) 421-1490
Additional location
157 Union St
Marlborough, MA 017521228
(508) 421-1400
fax (508) 421-1490
Show 4 more locations
Additional location
201 Highland St
Clinton, MA 015101037
(508) 421-1400
fax (508) 421-1490
Additional location
510 N Main St
Leominster, MA 014531814
(508) 421-1400
fax (508) 421-1490
Additional location
55 Lake Ave N
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490
Additional location
60 Hospital RD
Leominster, MA 014532205
(508) 421-1400
fax (508) 421-1490

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
November 20, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #258655
Medicaid
MA #110099635A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609161959. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
525
Distinct HCPCS
5
Medicare allowed
$74,408
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 250 239 $180
99284 Emergency department visit with moderate level of medical decision making 184 176 $124
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 47 46 $9
99283 Emergency department visit with low level of medical decision making 24 24 $74
99291 Critical care, first 30-74 minutes 20 20 $219

In context: peer comparison

Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 8.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
158
Patients
143
Total drug cost
$2,115
Drug Type Claims Patients Total cost
Prednisone Generic 24 22 $124
Cefpodoxime Proxetil Generic 23 23 $1,356
Ibuprofen Generic 22 22 $95
Morphine Sulfate Generic 22 22 $108
Cephalexin Generic 21 19 $175
Oxycodone Hcl Generic 13 13 $46
Azithromycin Generic 11 0 $52
Methocarbamol Generic 11 11 $77
Ondansetron Odt (Ondansetron) Brand 11 11 $81

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hardin's medical specialty?
Dr. John Hardin practices Emergency Medicine Physician in Boston, MA.
Where does Dr. John Hardin practice?
Dr. John Hardin practices at 1 Deaconess Road, W-Cc2, Boston, MA 022155321. Office phone: 6177542339.
What is Dr. John Hardin's NPI?
Dr. John Hardin's National Provider Identifier (NPI) is 1609161959, issued by NPPES.
Does Dr. John Hardin accept Medicare assignment?
Yes. Dr. John Hardin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hardin 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.