DR. DEAN F MAYER M.D.
NPI 1609886019
Internal Medicine - Rheumatology in La Mesa, CA

Q: What is Dean Mayer's NPI number?

The NPI number for Dean Mayer is 1609886019. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Q: What is Dean Mayer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Dean Mayer was last updated on June 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since August 08, 2006PECOS EnrolledAccepts Medicare Assignment

73.62/100

CMS Quality Rating

5525 GROSSMONT CENTER DR, LA MESA, CA 91942(619) 644-6750(619) 644-1139 Get Directions Write a Review

NPPES record last updated: June 25, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Dean F Mayer M.d. NPPES

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

DR. DEAN F MAYER M.D. (NPI 1609886019) is an individual rheumatology provider in La Mesa, California, licensed in California (A87030) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1998).

NPPES Registry Identity

NPI1609886019

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. DEAN F MAYERCredential: M.D.

Location Address5525 GROSSMONT CENTER DRLa Mesa, CA 91942-3009

Mailing Address5525 Grossmont Center DrLa Mesa, CA 91942-3009 · (619) 644-6750 · Fax (619) 644-1139

Phone(619) 644-6750

Fax(619) 644-1139

Sole ProprietorNo

Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1998

Enumeration DateAugust 8, 2006

Last NPPES UpdateJune 25, 2013

✔ NPI 1609886019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · A87030

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedInternal MedicineTaxonomy 207R00000X · License A87030 (CA)

5525 GROSSMONT CENTER DR, La Mesa, CA 91942

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Other Identifiers 3

Medicare UPINH37960CA

Medicare ID-Type UnspecifiedWA87030ACA

Medicaid00A870300CA

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. Dean F 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 ID8729057757

PECOS Enrollment IDI20040927001229

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 5

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.

167 services92 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.

135 services70 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.

24 services24 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

15 services14 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91942 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

73.62/100

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

Scored as part of a group practice

Quality

74.56

Improvement Activities

Cost

58.69

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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.

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