Registry data as of Aug 27, 2026

Amber Garretson, APRN, CNS

Gerontology Clinical Nurse Specialist · Oklahoma City, OK

Amber Garretson, APRN, CNS is a gerontology clinical nurse specialist with a practice address in Oklahoma City, Oklahoma, and NPI 1457812752, issued on Mar 28, 2019. Check the license with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1457812752
Name
Amber Garretson
Credential
APRN, CNS
Primary taxonomy
Gerontology Clinical Nurse Specialist 364SG0600X
Practice location
5600 N May Ave Ste 310, Oklahoma City, OK 73112
Phone
(855) 229-2211
Enumerated
Mar 28, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5600 N May Ave Ste 310

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

  1. Laurie Brown, FNPFamily Nurse Practitioner1487690558
  2. Jayne Fortenberry, CNP-FAMILYFamily Nurse Practitioner1679942585
  3. Alice Greene, M.D.Internal Medicine Physician1710903638

Verify Amber Garretson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this professionCheck 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 Oklahoma 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.

91% fewer Medicare Part D claims than the average gerontology clinical nurse specialist in 2024

90 Medicare Part D claims for 41 beneficiaries, against an average of 990 among the 127 providers of this specialty who prescribed in Part D.

  1. Amber Garretson90
  2. Specialty average990

Most prescribed

  1. Clopidogrel34 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 Medicare quality score for 2023: 82 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 score83.1
  2. Costout of 100 · 30%52.1
  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: $342.85

6 payments, mostly food and beverage; the largest payer was Edwards Lifesciences Corporation. The 120 providers of this specialty with any payment received $669.24 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Amber Garretson$342.85
  2. Specialty average$669.24

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

One hospital or facility affiliation

  1. Tulsa Hospital Medicine Physicians Group, LLCCushing, OK

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gerontology Clinical Nurse Specialist providers in Oklahoma

There are 32 gerontology clinical nurse specialist records in Oklahoma.

Other gerontology clinical nurse specialist records in Oklahoma

  1. Candyse Brewer, APRN-CNSNorman, OK1588263495
  2. Brandy Burgess, RNOklahoma City, OK1083064802
  3. Tani Calvert, AGACNPTulsa, OK1760006886
  4. Heidi Cook, APNTulsa, OK1528562071
  5. Jennifer Dunn, APRNOklahoma City, OK1851693683
  6. Rebecca FiethOklahoma City, OK1770449274
  7. Elizabeth Gunn, RN, MS, CNS-BCMuskogee, OK1811139033
  8. Stacie Hanes, APRN-CNSOklahoma City, OK1497364699
  9. Cheryl Hart, ARNPBartlesville, OK1477545994
  10. Tori Hazel, AGCNS-BCAltus, OK1578134979

Common questions

What is Amber Garretson, APRN, CNS's NPI number?

Amber Garretson, APRN, CNS's National Provider Identifier (NPI) is 1457812752, issued on Mar 28, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Amber Garretson, APRN, CNS located?

The NPPES record lists a practice address at 5600 N May Ave Ste 310, Oklahoma City, OK, 73112. Phone: (855) 229-2211. Providers update this record themselves, so call before visiting.

How can I verify Amber Garretson, APRN, CNS's license?

Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Amber Garretson, APRN, CNS prescribe under Medicare Part D?

In 2024, Amber Garretson, APRN, CNS had 90 Medicare Part D claims for 41 beneficiaries; the average among gerontology clinical nurse specialist prescribers was 990. Part D covers Medicare prescriptions only.

What is Amber Garretson, APRN, CNS's Medicare quality score?

The 2023 MIPS final score is 82 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.