DR. RYAN MAYER M.D.
NPI 1255793527
Orthopaedic Surgery - Orthopaedic Trauma in Pomona, CA

Q: What is Ryan Mayer's NPI number?

The NPI number for Ryan Mayer is 1255793527. It was assigned to this individual provider in the NPPES registry on March 24, 2016.

Q: What is Ryan Mayer's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Trauma, with taxonomy code 207XX0801X.

Q: When was this NPI record last updated?

The NPPES record for Ryan Mayer was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since March 24, 2016PECOS EnrolledAccepts Medicare Assignment

83.88/100

CMS Quality Rating

160 E ARTESIA ST STE 255, POMONA, CA 91767(095) 964-3469(095) 964-3449 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 6, 2025, Jul 14, 2022, Jun 29, 2021 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Ryan Mayer M.d. NPPES

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

DR. RYAN MAYER M.D. (NPI 1255793527) is an individual orthopaedic trauma provider in Pomona, California, licensed in California (A178874) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2016).

NPPES Registry Identity

NPI1255793527

Entity TypeIndividualMale

Primary Taxonomy207XX0801X

Provider Legal NameDR. RYAN MAYERCredential: M.D.

Location Address160 E ARTESIA ST STE 255Pomona, CA 91767-2921

Mailing Address160 E Artesia St Ste 255Pomona, CA 91767-2921 · (095) 964-3469 · Fax (909) 596-4344

Phone(095) 964-3469

Fax(095) 964-3449

Sole ProprietorNo

Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2016

Enumeration DateMarch 24, 2016

Last NPPES UpdateAugust 6, 20256 updates tracked since enumeration

NPPES CertifiedAugust 6, 2025

✔ NPI 1255793527 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic TraumaAllopathic & Osteopathic Physicians

Taxonomy Code207XX0801X

License✔ Licensed in CA · A178874

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.

160 E ARTESIA ST STE 255, Pomona, CA 91767

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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

Dr. Ryan Mayer 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 ID4587936190

PECOS Enrollment IDI20220727002624

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.

Areas of Expertise CMS Part B claims 8

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

96 services96 patients

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.

53 services41 patients

Application of stress by physician for joint imaging 77071

This procedure involves a doctor applying pressure to your joint while capturing images. The stress helps reveal issues not visible in a relaxed state. It's like a workout for your joints under professional supervision. It's safe and aids in accurate diagnosis.

34 services32 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

34 services29 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.

19 services14 patients

Treatment of broken neck of thigh bone with bone implant 27245

This procedure involves repairing a fractured thigh bone by inserting a bone implant. The implant helps stabilize the bone, allowing it to heal correctly. It's performed under anesthesia and requires a hospital stay for recovery.

17 services16 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.

83.88/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

56.83

Improvement Activities

Cost

79.67

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report

24%140 patients2/55-star benchmark: 87%

Documentation of Current Medications in the Medical Record

15%1,080 patients1/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

0%159 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

1%384 patients1/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

0%428 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

0%558 patients1/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 2% · 494 patients

1%494 patients

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 165 patients

Patients totalRate: 1% · 165 patients

1%165 patients4/55-star benchmark: 100%

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.

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Other Providers at the Same Location NPPES 10

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

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Orthopaedic Surgery (Sports Medicine)