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DR. PHILIP ORMOND MERRITT M.D.
NPI 1083696074
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Glendale, CA

Active since November 16, 2005PECOS EnrolledAccepts Medicare Assignment
97.12/100
CMS Quality Rating
1505 WILSON TER, SUITE 200, GLENDALE, CA 91206(818) 246-8974(818) 246-7673 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 13, 2026, Mar 7, 2023 (2 updates tracked since 2023).

About Dr. Philip Ormond Merritt M.d. NPPES

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

DR. PHILIP ORMOND MERRITT M.D. (NPI 1083696074) is an individual adult reconstructive orthopaedic surgery provider in Glendale, California, licensed in California (G46741) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1976).

NPPES Registry Identity

NPI1083696074
Entity TypeIndividualMale
Primary Taxonomy207XS0114X
Provider Legal NameDR. PHILIP ORMOND MERRITTCredential: M.D.
Location Address1505 WILSON TER, SUITE 200Glendale, CA 91206-4071
Mailing Address1357 Sugar Loaf DrLa Canada, CA 91011-3919 · (818) 790-7066
Phone(818) 246-8974
Fax(818) 246-7673
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1976
Enumeration DateNovember 16, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1083696074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0114X
License✔ Licensed in CA · G46741
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.
1505 WILSON TER, Glendale, CA 91206
Open in Google Maps ↗

Other Identifiers 3

Medicaid00G467410CA
OtherG46741CA · Medical Board
OtherRHD 130967CA · X-ray Supervisor & Operat

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Philip Ormond Merritt 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 ID6608060504
PECOS Enrollment IDI20101104001084
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Philip Merritt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adventist Health Physicians Network
Same address
Hematology & Oncology
1505 WILSON TER STE 370
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 139 clinicians in this Medicare group
NPI 1083347835 (818) 630-8680
Glendale Adventist Medical Center
Same address
Psychiatric Unit
1509 WILSON TER
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 164 clinicians in this Medicare group
NPI 1336138403 (818) 409-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

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 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.
856 services588 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
329 services329 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.
282 services218 patients
Replacement of knee joint on side of knee 27446
A knee joint replacement on one side, also known as unicompartmental knee replacement, is a surgical procedure where damaged parts of the knee joint are replaced with artificial parts. This helps to reduce pain and improve mobility. It's typically done under general anesthesia.
136 services136 patients
Repair of kneecap 27437
Repair of the kneecap is a surgical procedure aimed at fixing damage to your kneecap. This could be due to a fracture, dislocation, or degenerative disease. The procedure helps to restore normal function and movement, reducing pain and improving your quality of life.
124 services124 patients
Computer-assisted surgery for muscle and bone procedure 20985
Computer-assisted surgery for muscle and bone procedures involves using a computer to aid in planning and performing surgery. This technology helps increase precision, reduce invasiveness, and improve outcomes. It's commonly used in orthopedic surgeries like joint replacements.
117 services81 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.24
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)
Lower rates are better for this measure.
0.03%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
4 suppliers91 claims91 services$45.04 avg. paid by Medicare
Hip orthosis, abduction control of hip joint, postoperative hip abduction type, prefabricated, includes fitting and adjustment L1686
DME-Orthotic Devices · category DF000N
2 suppliers25 claims25 services$942.72 avg. paid by Medicare
Knee orthosis, adjustable knee joints (unicentric or polycentric), positional orthosis, rigid support, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise L1832
DME-Orthotic Devices · category DF011N
1 supplier72 claims95 services$565.00 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

WAYNE SIU ET AL PTR
Pharmacy (Community/Retail Pharmacy)
1505 WILSON TER, STE 100
GLENDALE, CA 91206
Los Angeles County (818) 409-8392
DR. MIHRAN SHIRINIAN
Internal Medicine (Hematology & Oncology)
1505 WILSON TER, SUITE 340
GLENDALE, CA 91206
Los Angeles County (818) 543-7574
DR. HRAIR A KOUTNOUYAN MD
Otolaryngology
1505 WILSON TER, #270
GLENDALE, CA 91206
Los Angeles County (818) 241-2101
DR. ANITA KAMARZARIAN MD
Internal Medicine (Nephrology)
1505 WILSON TER, SUITE #155
GLENDALE, CA 91206
Los Angeles County (818) 500-4055
ANNA N STEWART MD
Internal Medicine
1505 WILSON TER, SUITE 320
GLENDALE, CA 91206
Los Angeles County (818) 545-7418
BERNADETTE ANNE LIM D.O.
Family Medicine
1505 WILSON TER, SUITE 250
GLENDALE, CA 91206
Los Angeles County (818) 246-7115
IVET SARKISSIAN PEKACHEKI M.S., R.D.
Dietitian, Registered
1505 WILSON TER, # 155
GLENDALE, CA 91206
Los Angeles County (818) 500-4055
DR. THANH THE NGUYEN D.O
Internal Medicine (Interventional Cardiology)
1505 WILSON TER, SUITE 320
GLENDALE, CA 91206
Los Angeles County (818) 243-3147

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 Philip Merritt's NPI number?

The NPI number for Philip Merritt is 1083696074. It was assigned to this individual provider in the NPPES registry on November 16, 2005.

Where is Philip Merritt located?

Philip Merritt practices at 1505 Wilson Ter Suite 200, Glendale, CA 91206. The listed phone number is (818) 246-8974.

What is Philip Merritt's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Is Philip Merritt enrolled in Medicare?

Yes. Philip Merritt 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.

Which organizations bill Medicare for Philip Merritt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Philip Merritt reassigns Medicare benefits to 2 organizations: Adventist Health Physicians Network (Glendale, CA) and Glendale Adventist Medical Center (Glendale, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Philip Merritt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Philip Merritt was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.