Mary Louise Greer, FNP-C
Family Nurse Practitioner · Lufkin, TX
Mary Louise Greer, FNP-C is a family nurse practitioner with a practice address in Lufkin, Texas, and NPI 1891427753, issued on Jun 29, 2022. Check the license (Texas 1085922, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Louise Greer
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 1085922 TX
Self-reported in NPPES; status is on the state search - Practice location
- 409 Gaslight Blvd, Lufkin, TX 75904
- Phone
- (936) 634-2227
- Enumerated
- Jun 29, 2022
- Record last updated
- Jun 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20240510000522); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 409 Gaslight Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Louise Greer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1085922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% more Medicare Part D claims than the average family nurse practitioner in 2024
2,094 Medicare Part D claims for 92 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Lacosamide145 claims
- Esomeprazole Magnesium121 claims
- Lisinopril104 claims
- Levothyroxine Sodium71 claims
- Montelukast Sodium66 claims
- Metformin Hcl65 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
- Health And Human Services CommissionPollock, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Louise Greer among 21,242 family nurse practitioner records in Texas
Mary Louise Greer, FNP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 74% of them.
- NPI issued2022 · 74% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2018 · median 2018 among the 11,286 with a school on file
- Record last updated2022 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 family nurse practitioner records list a practice address in Lufkin
They are 86 of the 964 NPPES records with a practice address in Lufkin, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Lufkin → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kimberly Deaton, FNP-CLufkin, TX 759041386991123
- Megan Dickinson, MSN, NP-CLufkin, TX 759041508291048
- Rebecca Griffin, FNPLufkin, TX 759041902155385
- Sandy Harman, DNP, FNP-BCLufkin, TX 759041821279977
- Brenda Holbert-Fernandez, NURSE PRACTITIONERLufkin, TX 759041770627960
- Nelda Johnson, RNNPLufkin, TX 759041285644716
- Hazel Kimbrough, FNPLufkin, TX 759041104848431
- Christie Lathan, FNP-BCLufkin, TX 759041215180047
Common questions
What is Mary Louise Greer, FNP-C's NPI number?
Mary Louise Greer, FNP-C's National Provider Identifier (NPI) is 1891427753, issued on Jun 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mary Louise Greer, FNP-C located?
The NPPES record lists a practice address at 409 Gaslight Blvd, Lufkin, TX, 75904. Phone: (936) 634-2227. Providers update this record themselves, so call before visiting.
How can I verify Mary Louise Greer, FNP-C's license?
NPPES lists Texas license number 1085922, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Louise Greer, FNP-C prescribe under Medicare Part D?
In 2024, Mary Louise Greer, FNP-C had 2,094 Medicare Part D claims for 92 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.