MARILYN BARBARA MAYER (MD) – Internal Medicine Physician, NPI 1205818853

MARILYN BARBARA MAYER (MD) is a healthcare provider. based in Cypress, Texas. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. J2191 (TX). The NPI Number for MARILYN BARBARA MAYER (MD) is 1205818853

Main info

Female
36 Years Of Experience
Accepts Medicare Assignment
Name
MARILYN BARBARA MAYER (MD)
NPI
1205818853
Phone
(832) 756-2976
Address
21216 NORTHWEST FWY
Enumeration Date
18 November 2005
Last Update Date
26 June 2025

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Secondary Phone
-
Graduation Year
1990 (36 years ago)
PAC ID
1759484306
Group Practice PAC ID
3678889755
Professional Enrollment ID
I20070320000136
Address ID
TX774294699CY21216FWYX303
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Digital endpointsOther names

13,290 INTERNAL MEDICINE in TX

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Provider Addresses for MARILYN BARBARA MAYER (MD)

  • Northwest Freeway, Cypress, Harris County, Texas, 77429, United States

    SUITE 560

    CYPRESS, TX 774294695

    Phone: (832) 756-2976

    Fax: (281) 469-4572

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 4 Open Payments records for all available years, with a total value of $101.

Total Amount is formed as General ($101) + Research ($0) + Ownership ($0) = $101.

Last reported payment date: 2024-11-07 • Largest payer in this snapshot: Medtronic, Inc. ($34).

Total Amount

$101

General + Research + Ownership

Payments

4

Total payment records

General Amount

$101

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-07

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2007-03-20

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20070320000136IInternal MedicineTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes435222$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit154154$0
99213Established patient office or other outpatient visit, 20-29 minutes13890$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes9024$0
90688Influenza vaccine, quadrivalent, 0.5 ml dosage3939$0
View full utilization report →

Insurance plans in this area (ZIP 77429)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3678889755View full group profile
NameSpecialtyState
Family PracticeTX
Internal MedicineTX
Internal MedicineOK
Internal MedicineTX

Reviews

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Frequently asked questions

Can I verify MARILYN BARBARA MAYER (MD) with an NPI only?
You can start verification with NPI 1205818853 for MARILYN BARBARA MAYER (MD), then check state licensing separately.
Is MARILYN BARBARA MAYER (MD) listed as active for patients and plans?
The listing shows MARILYN BARBARA MAYER (MD) as active in the NPI system.
What is MARILYN BARBARA MAYER (MD)'s primary classification?
Internal Medicine Physician is the headline specialty for MARILYN BARBARA MAYER (MD) here. Clinical services aligned with this taxonomy classification.
Does MARILYN BARBARA MAYER (MD) list a practice location?
Patients near Cypress, Texas may find MARILYN BARBARA MAYER (MD) in results; validate coverage separately.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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