Doctor profile · Federal record

Dr. Ajay Masih, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician (CMS: Physical Medicine and Rehabilitation) · Physical Medicine & Rehabilitation Physician · Sports Medicine (Physical Medicine & Rehabilitation) Physician · Los Angeles, CA

  • NPI 1013072537
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2080 Century Park East, Suite 707
Los Angeles, CA 90067
(310) 553-0123
Mailing address
2080 Century Park East Suite 1501
Los Angeles, CA 90067

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
September 5, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
2081P2900X — NUCC code
State license (1)
California #A64040

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013072537. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,877
Distinct HCPCS
10
Medicare allowed
$273,972
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,179 363 $136
J1030 Injection, methylprednisolone acetate, 40 mg 420 249 $8
20552 Injection of trigger points, 1-2 muscles 355 207 $57
20610 Aspiration and/or injection of fluid from large joint 281 130 $71
99204 New patient office or other outpatient visit, 45-59 minutes 148 148 $179
J7324 Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose 113 30 $126
64483 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 110 85 $148
80305 Testing for presence of drug, read by direct observation 71 30 $12
64484 Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 49 39 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 34 25 $95

In context: peer comparison

Among 6 peers in this city , average services per provider: 103. This provider delivers 28× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
707
Patients
173
Total drug cost
$23,706
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 154 15 $5,110
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 151 30 $4,983
Diclofenac Sodium Generic 105 59 $2,748
Celecoxib Generic 69 21 $1,904
Gabapentin Generic 44 17 $861
Tramadol Hcl Generic 27 0 $171
Meloxicam Generic 24 0 $81
Methylprednisolone Generic 23 20 $206
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 20 11 $388
Tizanidine Hcl Generic 19 0 $276

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ajay Masih's medical specialty?
Dr. Ajay Masih practices Pain Medicine (Physical Medicine & Rehabilitation) Physician in Los Angeles, CA.
Where does Dr. Ajay Masih practice?
Dr. Ajay Masih practices at 2080 Century Park East, Los Angeles, CA 90067. Office phone: 3105530123.
What is Dr. Ajay Masih's NPI?
Dr. Ajay Masih's National Provider Identifier (NPI) is 1013072537, issued by NPPES.
Does Dr. Ajay Masih accept Medicare assignment?
Yes. Dr. Ajay Masih accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajay Masih commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); Injection of trigger points, 1-2 muscles (HCPCS 20552). Source: CMS Medicare Physician & Other Practitioners file.