Peggy Birkenfeld, FNP
Nurse Practitioner · Dimmitt, TX
Peggy Birkenfeld, FNP is a nurse practitioner with a practice address in Dimmitt, Texas, and NPI 1881650117, issued on Apr 25, 2006. Check the license (Texas 241316, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peggy Birkenfeld
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 241316 TX
Self-reported in NPPES; status is on the state search - Practice location
- 300 W Halsell St, Dimmitt, TX 79027
- Phone
- (806) 647-8780
- Enumerated
- Apr 25, 2006
- Record last updated
- Jan 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (806) 647-3769
- Medicaid IDs
- 146595002 TX
063566602 TX
063566601 TX - Medicare enrollment
- Enrolled (PECOS I20041214000834); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,825 in Texas → Look up another NPI →
Also registered at 300 W Halsell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peggy Birkenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 241316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nurse practitioner in 2024
13 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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
- Castro County Hospital DistrictDimmitt, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peggy Birkenfeld among 4,825 nurse practitioner records in Texas
Peggy Birkenfeld, FNP 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
- Graduated1999 · median 2018 among the 2,618 with a school on file
- Record last updated2014 · 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).
1 nurse practitioner record lists a practice address in Dimmitt
They are 1 of the 15 NPPES records with a practice address in Dimmitt, and 4,825 nurse practitioner records in Texas.
All 4,825 in Texas → Every provider in Dimmitt → Nurse Practitioner nationwide →
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Common questions
What is Peggy Birkenfeld, FNP's NPI number?
Peggy Birkenfeld, FNP's National Provider Identifier (NPI) is 1881650117, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peggy Birkenfeld, FNP located?
The NPPES record lists a practice address at 300 W Halsell St, Dimmitt, TX, 79027. Phone: (806) 647-8780. Providers update this record themselves, so call before visiting.
How can I verify Peggy Birkenfeld, FNP's license?
NPPES lists Texas license number 241316, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Peggy Birkenfeld, FNP prescribe under Medicare Part D?
In 2024, Peggy Birkenfeld, FNP had 13 Medicare Part D claims; 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.