DR. BOBBY WAYNE MAREK (MD) – Internal Medicine Physician, NPI 1063415149

DR. BOBBY WAYNE MAREK (MD) is a healthcare provider. based in Brenham, Texas. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. F4241 (TX). The NPI Number for DR. BOBBY WAYNE MAREK (MD) is 1063415149

Main info

Male
47 Years Of Experience
Accepts Medicare Assignment
Name
DR. BOBBY WAYNE MAREK (MD)
NPI
1063415149
Phone
(979) 836-6153
Address
600 NORTH PARK ST
Enumeration Date
23 May 2005
Last Update Date
27 April 2012

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Secondary Phone
9792076400
Graduation Year
1979 (47 years ago)
PAC ID
4587573464
Group Practice PAC ID
8123923604
Professional Enrollment ID
I20091019000719
Address ID
TX778458963CO4035XSXXX500
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:21State licenses:1Digital endpointsOther names

13,290 INTERNAL MEDICINE in TX

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Provider Addresses for DR. BOBBY WAYNE MAREK (MD)

  • North Park Street, Brenham, Washington County, Texas, 77833, United States of America

    BRENHAM, TX 778332610

    Phone: (979) 836-6153

    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 1 Open Payments records for all available years, with a total value of $87.

Total Amount is formed as General ($87) + Research ($0) + Ownership ($0) = $87.

Last reported payment date: 2023-05-24 • Largest payer in this snapshot: Lilly USA, LLC ($87).

Total Amount

$87

General + Research + Ownership

Payments

1

Total payment records

General Amount

$87

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-05-24

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Lilly USA, LLC$87
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: 2009-10-19

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
I20091019000719IInternal 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 minutes658329$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit179179$0
J3301Injection, triamcinolone acetonide, not otherwise specified, 10 mg10017$0
G0008Administration of influenza virus vaccine9291$0
90694Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage7979$0
View full utilization report →

Insurance plans in this area (ZIP 77833)

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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: 8123923604View full group profile
NameSpecialtyState
Radiation OncologyTX
U R O L O G YTX
General SurgeryOK
Certified Registered Nurse Anesthetist (Crna)TX
-TX
Anesthesiology AssistantTX
-TX
-TX
O B S T E T R I C S/ G Y N E C O L O G YTX
-TX

Reviews

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Frequently asked questions

How do I look up DR. BOBBY WAYNE MAREK (MD) by NPI?
Use NPI 1063415149 when you need to reference DR. BOBBY WAYNE MAREK (MD) in forms, claims, or directories.
Is DR. BOBBY WAYNE MAREK (MD) active in the national directory?
DR. BOBBY WAYNE MAREK (MD)'s public NPI profile is in an active state.
Does DR. BOBBY WAYNE MAREK (MD) list a primary specialty?
If you are matching referrals, note Internal Medicine Physician for DR. BOBBY WAYNE MAREK (MD). Clinical services aligned with this taxonomy classification.
What location shows for DR. BOBBY WAYNE MAREK (MD)?
We surface Brenham, Texas for DR. BOBBY WAYNE MAREK (MD) based on available NPPES addresses.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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