Martha Oralia Zinn, DNP, APRN, FNP-C
Family Nurse Practitioner · Amarillo, TX
Martha Oralia Zinn, DNP, APRN, FNP-C is a family nurse practitioner with a practice address in Amarillo, Texas, and NPI 1124203401, issued on Jan 4, 2008. Check the license (Texas 669875, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Oralia Zinn
- Credential
- DNP, APRN, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 669875 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Ross St, Amarillo, TX 79102
- Phone
- (806) 418-6966
- Enumerated
- Jan 4, 2008
- Record last updated
- Dec 6, 2022
- Fax
- (806) 418-6967
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 1200 Ross St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracey Smith, DNP, APRN, FNP-BCFamily Nurse Practitioner1437330594
Verify Martha Oralia Zinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 669875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family nurse practitioner in 2024
287 Medicare Part D claims for 49 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Metformin Hcl26 claims
- Amlodipine Besylate15 claims
- Losartan Potassium13 claims
- Omeprazole12 claims
- Atorvastatin Calcium11 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.
Martha Oralia Zinn among 21,242 family nurse practitioner records in Texas
Martha Oralia Zinn, DNP, APRN, 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 2008, is newer than 9% of them.
- NPI issued2008 · 9% of these records are older, 89% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- 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).
278 family nurse practitioner records list a practice address in Amarillo
They are 278 of the 3,934 NPPES records with a practice address in Amarillo, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Amarillo → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Britni Orr, FNP-CAmarillo, TX 791021669917498
- Tracey Smith, DNP, APRN, FNP-BCAmarillo, TX 791021437330594
- Brianda Venhaus, MSN, APRN, NP-CAmarillo, TX 791021053026831
- Gerald Ashley, RN FNP-CAmarillo, TX 791031841388741
- Deni Berry, FNP-CAmarillo, TX 791011629590161
- Anita Clark, FNP-CAmarillo, TX 791031548811656
- Lillian Craig, RN,FNP-CAmarillo, TX 791031790963098
- Tanya Deleon, FNPAmarillo, TX 791031073840427
Common questions
What is Martha Oralia Zinn, DNP, APRN, FNP-C's NPI number?
Martha Oralia Zinn, DNP, APRN, FNP-C's National Provider Identifier (NPI) is 1124203401, issued on Jan 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Martha Oralia Zinn, DNP, APRN, FNP-C located?
The NPPES record lists a practice address at 1200 Ross St, Amarillo, TX, 79102. Phone: (806) 418-6966. Providers update this record themselves, so call before visiting.
How can I verify Martha Oralia Zinn, DNP, APRN, FNP-C's license?
NPPES lists Texas license number 669875, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Oralia Zinn, DNP, APRN, FNP-C prescribe under Medicare Part D?
In 2024, Martha Oralia Zinn, DNP, APRN, FNP-C had 287 Medicare Part D claims for 49 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.