Doctor profile · Federal record

Dr. Timothy Nieh, DO

Family Medicine Physician (CMS: Family Practice) · Mountain View, CA

  • NPI 1003375866
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 E El Camino Real
Mountain View, CA 940402833
(650) 404-8370
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
August 29, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A19968

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003375866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
306
Distinct HCPCS
3
Medicare allowed
$40,204
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 147 110 $108
99214 Established patient office or other outpatient visit, 30-39 minutes 109 76 $152
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 50 50 $156

In context: peer comparison

Among 9 peers in this city , average services per provider: 54. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
32
Total drug cost
$3,816
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 44 21 $765
Sertraline Hcl Generic 29 0 $166
Amlodipine Besylate Generic 24 11 $275
Metoprolol Succinate Generic 20 0 $290
Levothyroxine Sodium Generic 18 0 $388
Quetiapine Fumarate Generic 18 0 $223
Losartan Potassium Generic 15 0 $370
Metformin Hcl Generic 15 0 $143
Digoxin Generic 14 0 $274
Furosemide Generic 14 0 $75

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Nieh's medical specialty?
Dr. Timothy Nieh practices Family Medicine Physician in Mountain View, CA.
Where does Dr. Timothy Nieh practice?
Dr. Timothy Nieh practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6504048370.
What is Dr. Timothy Nieh's NPI?
Dr. Timothy Nieh's National Provider Identifier (NPI) is 1003375866, issued by NPPES.
Does Dr. Timothy Nieh accept Medicare assignment?
Yes. Dr. Timothy Nieh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Nieh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.