Doctor profile · Federal record

Dr. Paarth Shah, MD

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

  • NPI 1548722580
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4520 Business Center Dr Ste 200
Fairfield, CA 945346888
(707) 646-5500
Mailing address
3501 Harbison Dr Unit 1107
Vacaville, CA 956873935

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
August 1, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A180238

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548722580. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,179
Distinct HCPCS
10
Medicare allowed
$133,444
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 365 245 $142
G0444 Annual depression screening, 5 to 15 minutes 132 132 $22
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 129 80 $27
99204 New patient office or other outpatient visit, 45-59 minutes 106 106 $184
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 95 95 $145
99215 Established patient office or other outpatient visit, 40-54 minutes 70 55 $199
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 37 36 $282
G0009 Administration of pneumococcal vaccine 37 36 $33
99213 Established patient office or other outpatient visit, 20-29 minutes 33 29 $101
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 31 24 $60

In context: peer comparison

Among 13 peers in Fairfield Internal Medicine Physician, average services per provider: 272. This provider delivers 4.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $29.16

By nature of payment

Food and Beverage
$29

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
644
Patients
280
Total drug cost
$14,346
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 99 48 $2,106
Diclofenac Sodium Generic 77 33 $3,957
Amlodipine Besylate Generic 76 37 $703
Metformin Hcl Generic 64 28 $567
Losartan Potassium Generic 56 24 $710
Lisinopril Generic 46 19 $537
Levothyroxine Sodium Generic 33 16 $649
Tamsulosin Hcl Generic 32 16 $635
Pantoprazole Sodium Generic 29 15 $765
Gabapentin Generic 25 17 $1,255

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paarth Shah's medical specialty?
Dr. Paarth Shah practices Internal Medicine Physician in Fairfield, CA.
Where does Dr. Paarth Shah practice?
Dr. Paarth Shah practices at 4520 Business Center Dr Ste 200, Fairfield, CA 945346888. Office phone: 7076465500.
What is Dr. Paarth Shah's NPI?
Dr. Paarth Shah's National Provider Identifier (NPI) is 1548722580, issued by NPPES.
Does Dr. Paarth Shah accept Medicare assignment?
Yes. Dr. Paarth Shah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paarth Shah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual depression screening, 5 to 15 minutes (HCPCS G0444); Face-to-face behavioral counseling for obesity (HCPCS G0447). Source: CMS Medicare Physician & Other Practitioners file.