Doctor profile · Federal record

Dr. Taisya Nargizyan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Mission Hills, CA

  • NPI 1285139899
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11333 Sepulveda Blvd
Mission Hills, CA 913451116
(877) 634-3196
fax (661) 496-1074
Mailing address
Po Box 9602
Mission Hills, CA 913469602

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
September 28, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A173480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285139899. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
439
Distinct HCPCS
4
Medicare allowed
$55,910
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 243 90 $123
99239 Hospital discharge day management, more than 30 minutes 86 81 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 64 62 $182
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 46 28 $83

In context: peer comparison

Among 32 peers in Mission Hills Internal Medicine Physician, average services per provider: 108. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$704
Transactions
16
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 12 $383.92
Abbott Laboratories 1 $148.73
Abiomed 1 $112.75
Shionogi INC 1 $32.45
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $25.97

By nature of payment

Food and Beverage
$704

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
80
Patients
53
Total drug cost
$8,961
Drug Type Claims Patients Total cost
Prednisone Generic 17 16 $64
Eliquis (Apixaban) Brand 16 12 $8,598
Cefdinir Generic 14 14 $166
Azithromycin Generic 11 11 $45
Carvedilol Generic 11 0 $55
Metoprolol Tartrate Generic 11 0 $33

Frequently asked questions

Auto-generated from federal data
What is Dr. Taisya Nargizyan's medical specialty?
Dr. Taisya Nargizyan practices Internal Medicine Physician in Mission Hills, CA.
Where does Dr. Taisya Nargizyan practice?
Dr. Taisya Nargizyan practices at 11333 Sepulveda Blvd, Mission Hills, CA 913451116. Office phone: 8776343196.
What is Dr. Taisya Nargizyan's NPI?
Dr. Taisya Nargizyan's National Provider Identifier (NPI) is 1285139899, issued by NPPES.
Does Dr. Taisya Nargizyan accept Medicare assignment?
Yes. Dr. Taisya Nargizyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Taisya Nargizyan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.