Doctor profile · Federal record

Dr. John Nadai, MD

Internal Medicine Physician · Boston, MA

  • NPI 1710978614
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
50 Staniford St, 4Th Floor
Boston, MA 021142517
(617) 726-4400
fax (617) 724-6565

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #204982
Medicaid
MA #0121398

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710978614. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
240
Distinct HCPCS
3
Medicare allowed
$38,933
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 145 85 $137
99215 Established patient office or other outpatient visit, 40-54 minutes 76 64 $191
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $240

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
736
Patients
144
Total drug cost
$609,865
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 250 56 $309,491
Trulicity (Dulaglutide) Brand 171 37 $202,784
Naltrexone Hcl Generic 89 17 $2,928
Topiramate Generic 65 18 $3,148
Metformin Hcl Er (Metformin Hcl) Brand 44 16 $976
Mounjaro (Tirzepatide) Brand 40 0 $46,372
Victoza 3-Pak (Liraglutide) Brand 34 0 $41,956
Bupropion Hcl Sr (Bupropion Hcl) Brand 19 0 $994
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 13 0 $695
Zonisamide Generic 11 0 $520

Frequently asked questions

Auto-generated from federal data
What is Dr. John Nadai's medical specialty?
Dr. John Nadai practices Internal Medicine Physician in Boston, MA.
Where does Dr. John Nadai practice?
Dr. John Nadai practices at 50 Staniford St, Boston, MA 021142517. Office phone: 6177264400.
What is Dr. John Nadai's NPI?
Dr. John Nadai's National Provider Identifier (NPI) is 1710978614, issued by NPPES.
What procedures does Dr. John Nadai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.