MECHELLE ELAINE WILLIAMS (ACNP) – Acute Care Nurse Practitioner, NPI 1598986150

MECHELLE ELAINE WILLIAMS (ACNP) is a healthcare provider. based in Katy, Texas. specializing in NURSE PRACTITIONER. They hold the professional credentials ACNP. They hold a License No. 597495 (TX). The NPI Number for MECHELLE ELAINE WILLIAMS (ACNP) is 1598986150

Main info

Female
28 Years Of Experience
Accepts Medicare Assignment
Name
MECHELLE ELAINE WILLIAMS (ACNP)
NPI
1598986150
Phone
(832) 707-5701
Address
1480 Katy Flewellen RD
Enumeration Date
1 May 2007
Last Update Date
17 March 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3463877171
Graduation Year
1998 (28 years ago)
PAC ID
9830375146
Group Practice PAC ID
5193827046
Professional Enrollment ID
I20110523000468
Address ID
TX774941327KA24285FWYX302
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

22,209 NURSE PRACTITIONER in TX

Provider Addresses for MECHELLE ELAINE WILLIAMS (ACNP)

  • 1480 Katy Flewellen RD

    Katy, TX 774946349

    Phone: (832) 707-5701

    Fax: (281) 254-7765

    Type: Location

  • 24275 KATY FWY STE 400

    KATY, TX 774947267

    Phone: (346) 387-7171

    Fax: (844) 703-5305

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2011-05-23

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
I20110523000468INurse PractitionerTXTBD

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
99350Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes610112$0
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month18460$0
99349Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes17271$0
99348Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes8757$0
99491Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month7341$0
View full utilization report →

Insurance plans in this area (ZIP 77494)

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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: 5193827046View full group profile
NameSpecialtyState
Nurse PractitionerTX
Nurse PractitionerTX
Nurse PractitionerTX
Nurse PractitionerTX
Nurse PractitionerTX
Nurse PractitionerTX
Internal MedicineTX
Internal MedicineTX
Nurse PractitionerTX
-TX

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Frequently asked questions

How do I look up MECHELLE ELAINE WILLIAMS (ACNP) by NPI?
Use NPI 1598986150 when you need to reference MECHELLE ELAINE WILLIAMS (ACNP) in forms, claims, or directories.
Is MECHELLE ELAINE WILLIAMS (ACNP)'s NPI currently valid?
The extract we use shows MECHELLE ELAINE WILLIAMS (ACNP) as active.
What kind of provider is MECHELLE ELAINE WILLIAMS (ACNP)?
The page reflects Acute Care Nurse Practitioner for MECHELLE ELAINE WILLIAMS (ACNP). Clinical services aligned with this taxonomy classification.
Does MECHELLE ELAINE WILLIAMS (ACNP) practice in Texas?
You will see Katy, Texas on file for MECHELLE ELAINE WILLIAMS (ACNP) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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