Doctor profile · Federal record

Dr. Krekor Tomassian, MD

Family Medicine Physician (CMS: General Practice) · Glendora, CA

  • NPI 1891807673
  • MIPS 75.0 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
415 W Route 66, #201
Glendora, CA 91740
(626) 963-0900
fax (626) 963-9663

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A40035
Medicaid
CA #00A400351

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891807673. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,757
Distinct HCPCS
10
Medicare allowed
$190,972
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 708 269 $135
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 229 35 $81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 223 223 $144
G0444 Annual depression screening, 5 to 15 minutes 221 221 $21
99213 Established patient office or other outpatient visit, 20-29 minutes 142 89 $100
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 51 12 $127
G0008 Administration of influenza virus vaccine 43 43 $34
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 42 42 $76
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $183
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 17 16 $16

In context: peer comparison

Among 5 peers in this city , average services per provider: 97. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$303
Transactions
14
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $56.65
AstraZeneca Pharmaceuticals LP 2 $44.19
Bayer Healthcare Pharmaceuticals Inc. 2 $40.72
SHIELD THERAPEUTICS INC 1 $33.72
Novartis Pharmaceuticals Corporation 1 $31.25
Lilly USA, LLC 1 $28.64
Esperion Therapeutics, Inc. 1 $25.19
Sumitomo Pharma America, Inc. 1 $16.07
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $13.47
Abbott Laboratories 1 $13.46

By nature of payment

Food and Beverage
$303

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,629
Patients
1,380
Total drug cost
$76,277
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 736 187 $11,321
Levothyroxine Sodium Generic 439 128 $10,974
Metformin Hcl Generic 432 124 $4,883
Amlodipine Besylate Generic 356 93 $4,373
Losartan Potassium Generic 354 99 $5,437
Pantoprazole Sodium Generic 268 78 $4,696
Rosuvastatin Calcium Generic 268 80 $9,762
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 258 77 $6,514
Simvastatin Generic 258 71 $3,805
Meloxicam Generic 252 94 $1,412

Frequently asked questions

Auto-generated from federal data
What is Dr. Krekor Tomassian's medical specialty?
Dr. Krekor Tomassian practices Family Medicine Physician in Glendora, CA.
Where does Dr. Krekor Tomassian practice?
Dr. Krekor Tomassian practices at 415 W Route 66, Glendora, CA 91740. Office phone: 6269630900.
What is Dr. Krekor Tomassian's NPI?
Dr. Krekor Tomassian's National Provider Identifier (NPI) is 1891807673, issued by NPPES.
Does Dr. Krekor Tomassian accept Medicare assignment?
Dr. Krekor Tomassian does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Krekor Tomassian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.