Doctor profile · Federal record

Dr. Timothy Plimpton, MD

Family Medicine Physician (CMS: Family Practice) · Fairfield, CA

  • NPI 1912085747
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1550 Gateway Blvd
Fairfield, CA 945336901
(707) 427-4000
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 17, 2021
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A64454
Medicaid
CA #00A644540

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912085747. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20
Distinct HCPCS
1
Medicare allowed
$1,826
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 20 11 $91

In context: peer comparison

Among 6 peers in Fairfield Family Medicine Physician, average services per provider: 100. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,235
Patients
766
Total drug cost
$43,097
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 270 102 $4,801
Losartan Potassium Generic 228 73 $2,650
Amlodipine Besylate Generic 217 79 $2,608
Lisinopril Generic 187 67 $2,256
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 167 35 $2,334
Hydrochlorothiazide Generic 145 55 $1,664
Fluticasone Propionate Generic 143 46 $1,999
Levothyroxine Sodium Generic 138 47 $2,935
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 137 52 $2,286
Tamsulosin Hcl Generic 113 38 $1,864

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Plimpton's medical specialty?
Dr. Timothy Plimpton practices Family Medicine Physician in Fairfield, CA.
Where does Dr. Timothy Plimpton practice?
Dr. Timothy Plimpton practices at 1550 Gateway Blvd, Fairfield, CA 945336901. Office phone: 7074274000.
What is Dr. Timothy Plimpton's NPI?
Dr. Timothy Plimpton's National Provider Identifier (NPI) is 1912085747, issued by NPPES.
Does Dr. Timothy Plimpton accept Medicare assignment?
Yes. Dr. Timothy Plimpton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Plimpton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.