Doctor profile · Federal record

Dr. David John, M.D.

Emergency Medicine Physician · Emergency Medical Services (Emergency Medicine) Physician · Dorchester Center, MA

  • NPI 1275506495
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2100 Dorchester Ave
Dorchester Center, MA 021245615
(617) 506-4463
fax (617) 474-3891

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
November 23, 2011
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Connecticut #031181 · Massachusetts #234591

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275506495. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
221
Distinct HCPCS
4
Medicare allowed
$34,876
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 129 121 $181
99284 Emergency department visit with moderate level of medical decision making 67 64 $125
99283 Emergency department visit with low level of medical decision making 13 13 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $180

In context: peer comparison

Among 2 peers in this city , average services per provider: 46. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
91
Patients
79
Total drug cost
$628
Drug Type Claims Patients Total cost
Cephalexin Generic 23 22 $225
Doxycycline Hyclate Generic 16 16 $184
Oxycodone Hcl Generic 16 16 $61
Prednisone Generic 14 14 $25
Ibuprofen Generic 11 11 $37
Ondansetron Odt (Ondansetron) Brand 11 0 $96

Frequently asked questions

Auto-generated from federal data
What is Dr. David John's medical specialty?
Dr. David John practices Emergency Medicine Physician in Dorchester Center, MA.
Where does Dr. David John practice?
Dr. David John practices at 2100 Dorchester Ave, Dorchester Center, MA 021245615. Office phone: 6175064463.
What is Dr. David John's NPI?
Dr. David John's National Provider Identifier (NPI) is 1275506495, issued by NPPES.
What procedures does Dr. David John 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); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.