Doctor profile · Federal record

Dr. Tahseen Mozaffar, MD

Neuromuscular Medicine (Psychiatry & Neurology) Physician (CMS: Neurology) · Neurology Physician · Orange, CA

  • NPI 1356421515
  • Accepts Medicare
  • MIPS 91.2 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 S. Manchester Avenue Ste. 110, Uci Medical Center
Orange, CA 92868
(714) 456-2332
fax (714) 456-5997
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
September 4, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2084N0008X — NUCC code
State licenses (2)
California #A70580 · California #000000A70580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356421515. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
225
Distinct HCPCS
5
Medicare allowed
$25,242
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 132 74 $141
94010 Test to measure expiratory airflow and volume 50 32 $31
36415 Insertion of needle into vein for collection of blood sample 17 14 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 15 15 $197
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $186

In context: peer comparison

Among 4 peers in this city , average services per provider: 72. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$94,809
Transactions
65
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Amicus Therapeutics, Inc. 20 $41,979.41
GENZYME CORPORATION 16 $25,097.57
Grifols USA, LLC 12 $8,537.18
Alexion Pharmaceuticals, Inc. 6 $6,223.61
ARGENX US, INC. 4 $4,221.04
UCB, Inc. 1 $3,520.00
Ipsen Innovation 1 $2,275.00
Mirum Pharmaceuticals, Inc. 1 $1,400.00
Janssen Scientific Affairs, LLC 1 $1,250.00
Genentech, Inc. 1 $148.61
CSL Behring 1 $124.51
Sarepta Therapeutics, Inc. 1 $32.05

By nature of payment

Consulting Fee
$56,937
Travel and Lodging
$27,969
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$8,038
Food and Beverage
$1,865

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
289
Patients
0
Total drug cost
$2,815,031
Drug Type Claims Patients Total cost
Gamunex-C (Immune Globul G/Gly/Iga Avg 46) Brand 37 0 $209,983
Pyridostigmine Bromide Generic 31 0 $3,867
Gabapentin Generic 30 0 $413
Lumizyme (Alglucosidase Alfa) Brand 27 0 $1,475,543
Azathioprine Generic 21 0 $5,378
Methotrexate (Methotrexate Sodium) Brand 19 0 $1,182
Mexiletine Hcl Generic 18 0 $2,613
Riluzole Generic 16 0 $2,418
Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) Brand 14 0 $188,897
Hizentra (Immun Glob G(Igg)/Pro/Iga 0-50) Brand 13 0 $234,520

Frequently asked questions

Auto-generated from federal data
What is Dr. Tahseen Mozaffar's medical specialty?
Dr. Tahseen Mozaffar practices Neuromuscular Medicine (Psychiatry & Neurology) Physician in Orange, CA.
Where does Dr. Tahseen Mozaffar practice?
Dr. Tahseen Mozaffar practices at 200 S. Manchester Avenue Ste. 110, Orange, CA 92868. Office phone: 7144562332.
What is Dr. Tahseen Mozaffar's NPI?
Dr. Tahseen Mozaffar's National Provider Identifier (NPI) is 1356421515, issued by NPPES.
Does Dr. Tahseen Mozaffar accept Medicare assignment?
Yes. Dr. Tahseen Mozaffar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tahseen Mozaffar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume (HCPCS 94010); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.