NPPES file of Aug 9, 2026

Tammie Anne Lockhart, APRN-CNP

Family Nurse Practitioner · Midwest City, OK

Tammie Anne Lockhart, APRN-CNP is a family nurse practitioner with a practice address in Midwest City, Oklahoma, and NPI 1467938258, issued on Jul 14, 2018. Check the license (Oklahoma 99769, as entered in NPPES) with the Oklahoma 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467938258
Name
Tammie Anne Lockhart
Credential
APRN-CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
99769 OK
R0099769 OK
Self-reported in NPPES; status is on the state search
Practice location
2825 Parklawn Dr, Midwest City, OK 73110
Phone
(405) 610-8844
Enumerated
Jul 14, 2018
Record last updated
Mar 3, 2022
Medicare enrollment
Enrolled (PECOS I20181031001028); 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 2825 Parklawn Dr

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

  1. Kristi Adkins, APRNFamily Nurse Practitioner1407417447
  2. Khabbab Amin, DOInternal Medicine Physician1821526237
  3. Joel Anderson, M.D.Emergency Medicine Physician1215995089
  4. Stephanie Beard, RDRegistered Dietitian1366159857
  5. Morgan BellPhysician Assistant1083256374
  6. Brittany Burk, MS, RDN, LD, CNSCRegistered Dietitian1780158568

Verify Tammie Anne Lockhart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 99769
    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 Oklahoma license search

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98% fewer Medicare Part D claims than the average family nurse practitioner in 2024

20 Medicare Part D claims for 12 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Tammie Lockhart20
  2. Specialty average1,305

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.

Industry payments in 2024: $22.72

1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tammie Lockhart$22.72
  2. Specialty average$650.95

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

Bills Medicare through 4 group practices

  1. Midwest Hospitalist Group PLLCMidwest City, OK
  2. Optimum Care Hospitalist Group PLLCEdmond, OK
  3. Optimum Post Acute Care PLLCEdmond, OK
  4. Optimum Primary Care PLLCEdmond, OK

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

Tammie Anne Lockhart among 2,711 family nurse practitioner records in Oklahoma

Tammie Anne Lockhart, APRN-CNP is one of 2,711 family nurse practitioner records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 45% of them.

  • NPI issued2018 · 45% of these records are older, 46% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2018 · median 2018 among the 1,783 with a school on file
  • Record last updated2022 · 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 363LF0000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 family nurse practitioner records list a practice address in Midwest City

They are 26 of the 1,250 NPPES records with a practice address in Midwest City, and 2,711 family nurse practitioner records in Oklahoma.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kristi Adkins, APRNMidwest City, OK 731101407417447
  2. Laura Gramling, APRN, CNPMidwest City, OK 731101679974158
  3. Karen Howard, FNPMidwest City, OK 731101508464363
  4. Hasina Johnson, APRN, FNP-BCMidwest City, OK 731101669732061
  5. Muiruri Kamau, DNP, APRNMidwest City, OK 731101518381771
  6. Heidi Martin, APRNMidwest City, OK 731101477952976
  7. Heather McCoy, APRN-CNPMidwest City, OK 731101598382392
  8. Judith McMillan, APRNMidwest City, OK 731101356709778

Common questions

What is Tammie Anne Lockhart, APRN-CNP's NPI number?

Tammie Anne Lockhart, APRN-CNP's National Provider Identifier (NPI) is 1467938258, issued on Jul 14, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Tammie Anne Lockhart, APRN-CNP located?

The NPPES record lists a practice address at 2825 Parklawn Dr, Midwest City, OK, 73110. Phone: (405) 610-8844. Providers update this record themselves, so call before visiting.

How can I verify Tammie Anne Lockhart, APRN-CNP's license?

NPPES lists Oklahoma license number 99769, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Tammie Anne Lockhart, APRN-CNP prescribe under Medicare Part D?

In 2024, Tammie Anne Lockhart, APRN-CNP had 20 Medicare Part D claims for 12 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.