Mechelle Elaine Williams, ACNP
Acute Care Nurse Practitioner · Katy, TX
Mechelle Elaine Williams, ACNP is an acute care nurse practitioner with a practice address in Katy, Texas, and NPI 1598986150, issued on May 1, 2007. Check the license (Texas 597495, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mechelle Elaine Williams
- Credential
- ACNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 597495 TX
Self-reported in NPPES; status is on the state search - Practice location
- 24275 Katy Fwy Ste 400, Katy, TX 77494
- Phone
- (346) 387-7171
- Enumerated
- May 1, 2007
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (844) 703-5305
- Medicaid ID
- 154569103 TX
- Medicare enrollment
- Enrolled (PECOS I20110523000468); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 3,239 in Texas → Look up another NPI →
Also registered at 24275 Katy Fwy Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katie Devany, MSN, APRN, FNP-CFamily Nurse Practitioner1093295016
- Angela Frazier, N.P.Family Nurse Practitioner1467811000
- Ashley Goar, APRN, AGNP-CGerontology Nurse Practitioner1275186546
Verify Mechelle Elaine Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 597495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average acute care nurse practitioner in 2024
3,025 Medicare Part D claims for 174 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Atorvastatin Calcium168 claims
- Donepezil Hcl113 claims
- Amlodipine Besylate89 claims
- Levothyroxine Sodium89 claims
- Memantine Hcl85 claims
- Furosemide84 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Collaborative Geriatrics IncKaty, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mechelle Elaine Williams among 3,239 acute care nurse practitioner records in Texas
Mechelle Elaine Williams, ACNP is one of 3,239 acute care nurse practitioner records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 5% of them.
- NPI issued2007 · 5% of these records are older, 93% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1998 · median 2019 among the 2,120 with a school on file
- Record last updated2018 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Texas
There are 3,239 acute care nurse practitioner records in Texas.
All 3,239 in Texas → Every provider in Katy → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Jennifer Burdette, AGACNP-BCKaty, TX 774941427746981
- Lani Doloroso, NPKaty, TX 774941548960263
- Nicole Gutierrez, AGACNPKaty, TX 774941255999686
- Luis Landeros, NPKaty, TX 774941831774694
- Laurence Leumalieu, NPKaty, TX 774941689342891
- Julie Peterson, AGACNP-BCKaty, TX 774941447995535
- Marilou Reyes, APRNKaty, TX 774941609566405
- Brett Whaley, ACNP-BCKaty, TX 774941164797643
Common questions
What is Mechelle Elaine Williams, ACNP's NPI number?
Mechelle Elaine Williams, ACNP's National Provider Identifier (NPI) is 1598986150, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mechelle Elaine Williams, ACNP located?
The NPPES record lists a practice address at 24275 Katy Fwy Ste 400, Katy, TX, 77494. Phone: (346) 387-7171. Providers update this record themselves, so call before visiting.
How can I verify Mechelle Elaine Williams, ACNP's license?
NPPES lists Texas license number 597495, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Mechelle Elaine Williams, ACNP prescribe under Medicare Part D?
In 2024, Mechelle Elaine Williams, ACNP had 3,025 Medicare Part D claims for 174 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.