Doctor profile · Federal record

Dr. Katayoun Lotfi, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Mountain View, CA

  • NPI 1619288685
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
701 E El Camino Real
Mountain View, CA 940402833
(650) 934-7500
Mailing address
2350 W El Camino Real Fl 2
Mountain View, CA 940406203

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
December 14, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
California #A134702

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619288685. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
342
Distinct HCPCS
4
Medicare allowed
$53,746
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 148 95 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 110 53 $110
99205 New patient office or other outpatient visit, 60-74 minutes 67 67 $260
99215 Established patient office or other outpatient visit, 40-54 minutes 17 17 $214

In context: peer comparison

Among 4 peers in Mountain View Endocrinology, Diabetes & Metabolism Physician, average services per provider: 213. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$94
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $93.62

By nature of payment

Food and Beverage
$94

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
553
Patients
125
Total drug cost
$521,517
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 346 75 $409,966
Mounjaro (Tirzepatide) Brand 68 14 $78,347
Topiramate Generic 53 19 $1,745
Metformin Hcl ER (Metformin Hcl) Brand 39 17 $439
Trulicity (Dulaglutide) Brand 29 0 $30,619
Metformin Hcl Generic 18 0 $401

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katayoun Lotfi's medical specialty?
Dr. Katayoun Lotfi practices Endocrinology, Diabetes & Metabolism Physician in Mountain View, CA.
Where does Dr. Katayoun Lotfi practice?
Dr. Katayoun Lotfi practices at 701 E El Camino Real, Mountain View, CA 940402833. Office phone: 6509347500.
What is Dr. Katayoun Lotfi's NPI?
Dr. Katayoun Lotfi's National Provider Identifier (NPI) is 1619288685, issued by NPPES.
Does Dr. Katayoun Lotfi accept Medicare assignment?
Yes. Dr. Katayoun Lotfi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katayoun Lotfi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.