AJAY K. MASIH M.D.
NPI 1013072537
Physical Medicine & Rehabilitation - Pain Medicine in Los Angeles, CA

Active since December 26, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D2027547 · Microscopy
2080 CENTURY PARK EAST, SUITE 707, LOS ANGELES, CA 90067(310) 553-0123 Get Directions Write a Review

NPPES record last updated: September 5, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ajay K. Masih M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AJAY K. MASIH M.D. (NPI 1013072537) is an individual pain medicine provider in Los Angeles, California, licensed in California (A64040) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through October 19, 2027, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1996).

NPPES Registry Identity

NPI1013072537
Entity TypeIndividualMale
Primary Taxonomy2081P2900X
Provider Legal NameAJAY K. MASIHCredential: M.D.
Location Address2080 CENTURY PARK EAST, SUITE 707Los Angeles, CA 90067
Mailing Address2080 Century Park East Suite 1501Los Angeles, CA 90067 · (310) 553-0123
Sole ProprietorYes
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1996
Enumeration DateDecember 26, 2006
Last NPPES UpdateSeptember 5, 2023
NPPES CertifiedSeptember 5, 2023
NPI 1013072537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P2900X
License Licensed in CA · A64040
Definition
A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License A64040 (CA)
Also ListedPhysical Medicine & Rehabilitation · Sports MedicineTaxonomy 2081S0010X · License A64040 (CA)
2080 CENTURY PARK EAST, Los Angeles, CA 90067

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ajay K. Masih M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315933140
PECOS Enrollment IDI20040427000494
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D2027547

Ajay K Masih MD Inc · Los Angeles, CA
Active · expires Oct 19, 2027
CLIA Number05D2027547
Laboratory TypePhysician Office
Certificate Effective DateOctober 20, 2025
Certificate Expiration DateOctober 19, 2027
Laboratory DirectorAjay Masih MD
Laboratory Phone(661) 726-5005
Laboratory LocationAjay K Masih MD Inc2080 Century Park East Ste 1501, Los Angeles, CA 90067
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,251 services379 patients
Injection of trigger points, 1-2 muscles 20552
Trigger point injection is a procedure used to treat painful areas of muscle that contain trigger points, or knots of muscle that form when muscles do not relax. 1-2 muscles are typically treated in one session. The procedure involves injecting medications into these points to alleviate pain.
390 services234 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
259 services29 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
256 services111 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
166 services110 patients
Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483
This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.
145 services103 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
2080 CENTURY PARK EAST, SUITE 1410
LOS ANGELES, CA 90067
Ophthalmology
2080 CENTURY PARK EAST, SUITE 911
LOS ANGELES, CA 90067
Specialist
2080 CENTURY PARK EAST, SUITE 1111
LOS ANGELES, CA 90067
Urology
2080 CENTURY PARK EAST, SUITE 1407
LOS ANGELES, CA 90067
Dentist (Endodontics)
2080 CENTURY PARK EAST, #1710
LOS ANGELES, CA 90067
Surgery (Plastic and Reconstructive Surgery)
2080 CENTURY PARK EAST, SUITE #501
LOS ANGELES, CA 90067
Internal Medicine (Gastroenterology)
2080 CENTURY PARK EAST, SUITE 1804
LOS ANGELES, CA 90067
Internal Medicine
2080 CENTURY PARK EAST, #303
LOS ANGELES, CA 90067

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ajay Masih's NPI number?

The NPI number for Ajay Masih is 1013072537. It was assigned to this individual provider in the NPPES registry on December 26, 2006.

Where is Ajay Masih located?

Ajay Masih practices at 2080 Century Park East Suite 707, Los Angeles, CA 90067. The listed phone number is (310) 553-0123.

What is Ajay Masih's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Is Ajay Masih enrolled in Medicare?

Yes. Ajay Masih is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Ajay Masih hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D2027547) is associated with this NPI, valid through October 19, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ajay Masih was last updated on September 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.