NPPES file of Aug 9, 2026

Mary Ellen Halamicek, NP

Nurse Practitioner · Houston, TX

Mary Ellen Halamicek, NP is a nurse practitioner with a practice address in Houston, Texas, and NPI 1609840339, issued on Feb 17, 2006. Check the license (Texas 04491, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609840339
Name
Mary Ellen Halamicek
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
04491 TX
Self-reported in NPPES; status is on the state search
Practice location
7401 Main St, Houston, TX 77030
Phone
(713) 799-2300
Enumerated
Feb 17, 2006
Record last updated
Oct 11, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(713) 794-3380
Medicare enrollment
Enrolled (PECOS I20101006000631); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7401 Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nabiha Ahmed, PHYSICIAN ASSISTANTSurgical Physician Assistant1386009231
  2. Kelechi Anyakee, NPFamily Nurse Practitioner1740066190
  3. Susan Ball, R.N.Registered Nurse1013907278
  4. Lindsey Biggs, PASurgical Physician Assistant1730064635
  5. Sheila Bradley, FNPFamily Nurse Practitioner1730182890
  6. Barrett Brown, M.D.Sports Medicine (Orthopaedic Surgery) Physician1952470262

Verify Mary Ellen Halamicek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 04491
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average nurse practitioner in 2024

47 Medicare Part D claims for 29 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Mary Halamicek47
  2. Specialty average1,109

Most prescribed

  1. Gabapentin26 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

  1. Ortholonestar PLLCHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Ellen Halamicek among 4,825 nurse practitioner records in Texas

Mary Ellen Halamicek, NP is one of 4,825 nurse practitioner records with a practice address in Texas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 87% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2001 · median 2018 among the 2,618 with a school on file
  • Record last updated2018 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

784 nurse practitioner records list a practice address in Houston

They are 784 of the 61,221 NPPES records with a practice address in Houston, and 4,825 nurse practitioner records in Texas.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Tina Bradshaw, PNPHouston, TX 770301003863374
  2. Sheena Carswell, C.N.S.Houston, TX 770301649246976
  3. Rhea Elliott, F.N.P.Houston, TX 770301487694568
  4. Janice Garza-Dennis, RN,ANP,AOCNPHouston, TX 770301659378016
  5. Carolyn Giveon, MS, RN, ANP, GNPHouston, TX 770301093719049
  6. Marika Highberger, NPHouston, TX 770301790732691
  7. Tacharra Laury, RN, ACNPHouston, TX 770301295775179
  8. Dorothy Morrison, RN, PNP, PMHNPHouston, TX 770301245239920

Common questions

What is Mary Ellen Halamicek, NP's NPI number?

Mary Ellen Halamicek, NP's National Provider Identifier (NPI) is 1609840339, issued on Feb 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ellen Halamicek, NP located?

The NPPES record lists a practice address at 7401 Main St, Houston, TX, 77030. Phone: (713) 799-2300. Providers update this record themselves, so call before visiting.

How can I verify Mary Ellen Halamicek, NP's license?

NPPES lists Texas license number 04491, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Ellen Halamicek, NP prescribe under Medicare Part D?

In 2024, Mary Ellen Halamicek, NP had 47 Medicare Part D claims for 29 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.