NPPES file of Aug 9, 2026

Christina Lashell Gammer, RN

Nurse Practitioner · Fort Worth, TX

Christina Lashell Gammer, RN is a nurse practitioner with a practice address in Fort Worth, Texas, and NPI 1689167975, issued on Jun 11, 2018. Check the license (Texas AP137127, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689167975
Name
Christina Lashell Gammer
Credential
RN
Primary taxonomy
Nurse Practitioner 363L00000X
License number
AP137127 TX
Self-reported in NPPES; status is on the state search
Practice location
800 5TH Ave Ste 500, Fort Worth, TX 76104
Phone
(817) 250-4280
Enumerated
Jun 11, 2018
Record last updated
Feb 22, 2022
Fax
(817) 250-4281
Medicare enrollment
Enrolled (PECOS I20210521000204); 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 800 5TH Ave Ste 500

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

  1. Dare Adewumi, M.D.Neurological Surgery Physician1265605091
  2. Olaide Ajayi, MDNeurological Surgery Physician1174057814
  3. Ryan Baca, PAPhysician Assistant1851886758
  4. Kathryn Barberena, NPFamily Nurse Practitioner1861950966
  5. Anita Bhansali, MDNeurological Surgery Physician1013228089
  6. Anna Brown, NPAcute Care Nurse Practitioner1710412374

Verify Christina Lashell Gammer 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 AP137127
    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

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86% fewer Medicare Part D claims than the average nurse practitioner in 2024

153 Medicare Part D claims for 63 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Christina Gammer153
  2. Specialty average1,109

Most prescribed

  1. Alendronate Sodium89 claims
  2. Acetaminophen-Codeine14 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 75.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score68.1
  2. Costout of 100 · 30%49.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $376.84

12 payments; by number, the most common kind was food and beverage; the largest payer was Radius Health, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christina Gammer$376.84
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Acclaim Physician Group IncFort Worth, TX

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

Nurse Practitioner providers in Texas

There are 4,825 nurse practitioner records in Texas.

Other nurse practitioner records in Texas

  1. Estella Abam, APRN-CHouston, TX1669779773
  2. Gillian AbangKilleen, TX1861974487
  3. Cornelia Abanobi, NPTomball, TX1831889005
  4. Breana Abbott, APRNMagnolia, TX1053873661
  5. Melissa Abbott, NPLivingston, TX1316338874
  6. Malika Abdelfettah, A/G NPGarland, TX1902259815
  7. Muntaha Abdelhadi, R.N., C.P.N.P.Dallas, TX1326503095
  8. Irene Abdo, FNP-C, APRN, CNORDallas, TX1679168405
  9. Mihoko Abegunde, NPDallas, TX1730632282
  10. Guelbert Abellana, N.P.Houston, TX1457605156

Common questions

What is Christina Lashell Gammer, RN's NPI number?

Christina Lashell Gammer, RN's National Provider Identifier (NPI) is 1689167975, issued on Jun 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Christina Lashell Gammer, RN located?

The NPPES record lists a practice address at 800 5TH Ave Ste 500, Fort Worth, TX, 76104. Phone: (817) 250-4280. Providers update this record themselves, so call before visiting.

How can I verify Christina Lashell Gammer, RN's license?

NPPES lists Texas license number AP137127, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Christina Lashell Gammer, RN prescribe under Medicare Part D?

In 2024, Christina Lashell Gammer, RN had 153 Medicare Part D claims for 63 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Christina Lashell Gammer, RN's MIPS final score?

The 2023 MIPS final score is 75.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.