Doctor profile · Federal record

Dr. Ajay Nanavati, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Chelmsford, MA

  • NPI 1811905961
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4 Courthouse Ln Unit 1-3
Chelmsford, MA 018241728
(978) 293-0089
fax (617) 636-4822
Mailing address
9 Kitson Park Dr
Lexington, MA 024218109

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 16, 2025
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Massachusetts #220686 · New Hampshire #12534
Medicaid (2)
MA #110090585A · NH #30204715

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811905961. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
757
Distinct HCPCS
10
Medicare allowed
$98,044
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 336 117 $137
99497 Advance care planning, first 30 minutes 82 60 $88
99497 Advance care planning, first 30 minutes 59 52 $80
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 57 53 $195
99213 Established patient office or other outpatient visit, 20-29 minutes 54 43 $92
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 33 31 $195
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 32 27 $115
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 32 28 $165
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 32 32 $142
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 15 13 $115

In context: peer comparison

Among 13 peers in this city , average services per provider: 78. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$240
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 2 $137.41
AstraZeneca Pharmaceuticals LP 1 $23.41
Amgen Inc. 1 $22.12
Hologic Sales and Service, LLC 1 $21.19
Novo Nordisk Inc 1 $19.06
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $16.60

By nature of payment

Food and Beverage
$240

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,908
Patients
476
Total drug cost
$30,200
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 285 68 $5,143
Omeprazole Generic 192 45 $4,136
Amlodipine Besylate Generic 184 52 $2,084
Lisinopril Generic 145 42 $1,988
Losartan Potassium Generic 128 37 $2,123
Metformin Hcl Generic 124 35 $1,567
Pantoprazole Sodium Generic 118 23 $2,645
Metoprolol Succinate Generic 103 28 $2,256
Hydrochlorothiazide Generic 102 28 $475
Alprazolam Generic 96 17 $514

Frequently asked questions

Auto-generated from federal data
What is Dr. Ajay Nanavati's medical specialty?
Dr. Ajay Nanavati practices Internal Medicine Physician in Chelmsford, MA.
Where does Dr. Ajay Nanavati practice?
Dr. Ajay Nanavati practices at 4 Courthouse Ln Unit 1-3, Chelmsford, MA 018241728. Office phone: 9782930089.
What is Dr. Ajay Nanavati's NPI?
Dr. Ajay Nanavati's National Provider Identifier (NPI) is 1811905961, issued by NPPES.
Does Dr. Ajay Nanavati accept Medicare assignment?
Dr. Ajay Nanavati does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Ajay Nanavati commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Advance care planning (HCPCS 99497); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.