Doctor profile · Federal record

Dr. Gautami Agastya, MD

Internal Medicine Physician (CMS: Internal Medicine) · Tracy, CA

  • NPI 1356312516
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
652 W 11Th St, Suite 137
Tracy, CA 953763869
(209) 833-7555
fax (209) 833-7518

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
June 5, 2013
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #C51385
Medicaid
CA #00C513850

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356312516. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,136
Distinct HCPCS
10
Medicare allowed
$256,593
HCPCS Description Services Patients Avg allowed
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 951 91 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 348 107 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 272 93 $86
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 243 50 $50
99215 Established patient office or other outpatient visit, 40-54 minutes 161 89 $181
99212 Established patient office or other outpatient visit, 10-19 minutes 115 56 $52
96372 Injection of drug or substance under skin or into muscle 98 31 $15
99497 Advance care planning, first 30 minutes 98 82 $83
93922 Ultrasound study of arm and leg arteries 91 79 $87
G0444 Annual depression screening, 5 to 15 minutes 81 81 $19

In context: peer comparison

Among 8 peers in this city , average services per provider: 177. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $20.47
Dexcom, Inc. 1 $19.87

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,695
Patients
921
Total drug cost
$197,394
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 524 171 $9,145
Amlodipine Besylate Generic 273 90 $2,872
Losartan Potassium Generic 268 87 $4,452
Omeprazole Generic 202 70 $4,790
Metformin Hcl Generic 194 58 $1,966
Gabapentin Generic 168 54 $2,755
Metoprolol Succinate Generic 164 58 $4,261
Alendronate Sodium Generic 148 46 $2,755
Levothyroxine Sodium Generic 146 52 $2,826
Ezetimibe Generic 134 49 $6,561

Frequently asked questions

Auto-generated from federal data
What is Dr. Gautami Agastya's medical specialty?
Dr. Gautami Agastya practices Internal Medicine Physician in Tracy, CA.
Where does Dr. Gautami Agastya practice?
Dr. Gautami Agastya practices at 652 W 11Th St, Tracy, CA 953763869. Office phone: 2098337555.
What is Dr. Gautami Agastya's NPI?
Dr. Gautami Agastya's National Provider Identifier (NPI) is 1356312516, issued by NPPES.
Does Dr. Gautami Agastya accept Medicare assignment?
Yes. Dr. Gautami Agastya accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gautami Agastya commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions (HCPCS 99491); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.