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MARILYN BARBARA MAYER MD
NPI 1205818853
Internal Medicine in Cypress, TX

Active since November 18, 2005PECOS EnrolledAccepts Medicare Assignment
86.69/100
CMS Quality Rating
21216 NORTHWEST FWY, SUITE 560, CYPRESS, TX 77429(832) 756-2976(281) 469-4572 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marilyn Barbara Mayer Md NPPES

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

MARILYN BARBARA MAYER MD (NPI 1205818853) is an individual internal medicine provider in Cypress, Texas, licensed in Texas (J2191) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of University Of Texas Medical School At Houston (1990).

NPPES Registry Identity

NPI1205818853
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARILYN BARBARA MAYERCredential: MD
Location Address21216 NORTHWEST FWY, SUITE 560Cypress, TX 77429-4695
Mailing Address21216 Northwest Fwy, Suite 560Cypress, TX 77429-4695 · (832) 756-2976 · Fax (281) 469-4572
Phone(832) 756-2976
Fax(281) 469-4572
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 1990
Enumeration DateNovember 18, 2005
Last NPPES UpdateJune 26, 2025
NPPES CertifiedJune 26, 2025
✔ NPI 1205818853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · J2191
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
21216 NORTHWEST FWY, Cypress, TX 77429
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, UnitedHealthcare.Insurance ›

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

Marilyn Barbara Mayer Md 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 ID1759484306
PECOS Enrollment IDI20070320000136
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 9

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.
483 services228 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
163 services163 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.
143 services19 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.
109 services76 patients
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
45 services20 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
43 services43 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Hca Houston Healthcare Tomball

Acute Care Hospitals · Tomball, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450670
Location605 HolderriethTomball, TX 77375 · Harris County
Emergency services Birthing friendly

Hca Houston Healthcare Kingwood

Acute Care Hospitals · Kingwood, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450775
Location22999 Us Hwy 59Kingwood, TX 77325 · Harris County
Emergency services Birthing friendly

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77429 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

86.69/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Improvement Activities40
Cost55.65

Reported Quality Measures

Advance Care Plan
100%399 patients5/55-star benchmark: 100%
Controlling High Blood Pressure
93%304 patients4/55-star benchmark: 98%
Coronary Artery Disease (CAD): Antiplatelet Therapy
100%29 patients5/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
7%81 patients4/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
100%1,225 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
100%580 patients5/55-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.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers24 claims61 services$6.20 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers12 claims12 services$0.79 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers12 claims12 services$44.59 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.80 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.

KERRY KIRKMAN MD PA
Obstetrics & Gynecology
21216 NORTHWEST FWY, STE 520
CYPRESS, TX 77429
Harris County (281) 955-7900
SLEEP RESOURCES OF HOUSTON INC
Durable Medical Equipment & Medical Supplies
21216 NORTHWEST FWY, SUITE 510
CYPRESS, TX 77429
Harris County (832) 678-2971
CY-FAIR BONE AND JOINT, LLP
Orthopaedic Surgery
21216 NORTHWEST FWY, SUITE 620
CYPRESS, TX 77429
Harris County (281) 955-7577
DR. ARUN KUMAR MD
Family Medicine
21216 NORTHWEST FWY, STE 360
CYPRESS, TX 77429
Harris County (281) 477-0666
SCOTT E OLSSON, MD, PA
Thoracic Surgery (Cardiothoracic Vascular Surgery)
21216 NORTHWEST FWY, SUITE 680
CYPRESS, TX 77429
Harris County (713) 467-5111
BARNARD FAMILY HEALTH CENTERS PA
Family Medicine
21216 NORTHWEST FWY, SUITE 620
CYPRESS, TX 77429
Harris County (281) 469-7704
BRADLEY WAGGONER MD PA
Surgery
21216 NORTHWEST FWY, SUITE 540
CYPRESS, TX 77429
Harris County (281) 640-8373
DR. NALINAKSHI SUBBARAYAN RANGALA M.D.
Radiology (Radiation Oncology)
21216 NORTHWEST FWY, SUITE 110
CYPRESS, TX 77429
Harris County (281) 517-0262

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 Marilyn Mayer's NPI number?

The NPI number for Marilyn Mayer is 1205818853. It was assigned to this individual provider in the NPPES registry on November 18, 2005.

Where is Marilyn Mayer located?

Marilyn Mayer practices at 21216 Northwest Fwy Suite 560, Cypress, TX 77429. The listed phone number is (832) 756-2976.

What is Marilyn Mayer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marilyn Mayer enrolled in Medicare?

Yes. Marilyn Mayer 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.

What insurance does Marilyn Mayer accept?

Health plans from Oscar Insurance Company and UnitedHealthcare list Marilyn Mayer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marilyn Mayer affiliated with any hospitals?

According to CMS data, Marilyn Mayer is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Memorial City Hospital, Hca Houston Healthcare Tomball, Hca Houston Healthcare Kingwood and Houston Methodist Willowbrook Hospital.

When was this NPI record last updated?

The NPPES record for Marilyn Mayer was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.