MARY ELIZABETH WALKER (RN) – Certified Registered Nurse Anesthetist, NPI 1104172808

MARY ELIZABETH WALKER (RN) is a healthcare provider. based in Houston, Texas. specializing in CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA). They hold the professional credentials RN. They hold a License No. 625752 (IN). The NPI Number for MARY ELIZABETH WALKER (RN) is 1104172808

Main info

Female
16 Years Of Experience
Accepts Medicare Assignment
Name
MARY ELIZABETH WALKER (RN)
NPI
1104172808
Phone
(713) 798-1750
Address
6720 BERTNER AVE STE O-520
Enumeration Date
31 July 2012
Last Update Date
25 October 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4092125002
Graduation Year
2010 (16 years ago)
PAC ID
8628373578
Group Practice PAC ID
1355606641
Professional Enrollment ID
I20160301002430
Address ID
TX777014606BE3080XSTXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience50
Completeness75
Years active:13State licenses:1Digital endpointsOther names

5,281 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in TX

Provider Addresses for MARY ELIZABETH WALKER (RN)

  • 6720 BERTNER AVE STE O-520

    HOUSTON, TX 770302604

    Phone: (713) 798-1750

    Fax: (713) 798-4693

    Type: Mailing

  • 3515 Coral Springs Dr

    Manvel, TX 775784880

    Phone: (281) 489-6965

    Type: Location

  • 7200 Cambridge St Fl 10

    Houston, TX 770304202

    Phone: (713) 798-1750

    Type: Location

  • 600 Mary Street

    Evansville, IN 477472604

    Phone: (812) 450-2240

    Fax: (812) 450-2710

    Type: Location

  • 4011 Gateway Blvd

    Newburgh, IN 476308947

    Phone: (812) 450-2240

    Fax: (812) 450-2710

    Type: Location

  • 3515 CORAL SPRINGS DR

    MANVEL, TX 775784880

    Phone: (832) 217-4024

    Type: Mailing

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 $38.

Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.

Last reported payment date: 2023-09-24 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($38).

Total Amount

$38

General + Research + Ownership

Payments

1

Total payment records

General Amount

$38

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-09-24

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: 2024-04-19

PECOS data refreshed: 2026-06-15

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20160301002430ICertified Registered Nurse Anesthetist (Crna)TXTBD
I20240419003184ICertified Registered Nurse Anesthetist (Crna)INTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 77030)

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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: 1355606641View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)TX
-GA
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
Anesthesiology, Interventional Pain ManagementTX
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX

Reviews

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Frequently asked questions

Is MARY ELIZABETH WALKER (RN) listed with a National Provider Identifier?
Yes — MARY ELIZABETH WALKER (RN) has NPI 1104172808 on file in the registry.
Is there an active status for MARY ELIZABETH WALKER (RN)?
For scheduling context, MARY ELIZABETH WALKER (RN) is shown as active in the registry.
How would a patient describe MARY ELIZABETH WALKER (RN)'s focus?
For MARY ELIZABETH WALKER (RN), the primary taxonomy reads as Certified Registered Nurse Anesthetist. Clinical services aligned with this taxonomy classification.
Is MARY ELIZABETH WALKER (RN) located near Houston?
MARY ELIZABETH WALKER (RN) currently maps to Houston, Texas in this extract.
Does MARY ELIZABETH WALKER (RN) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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