Elizabeth Oakley Haak, PA-C
Physician Assistant · Prague, OK
Elizabeth Oakley Haak, PA-C is a physician assistant with a practice address in Prague, Oklahoma, and NPI 1508464686, issued on Oct 12, 2020. Check the license (Oklahoma 3213, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Oakley Haak
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 3213 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1322 Klabzuba Ave, Prague, OK 74864
- Phone
- (405) 567-4922
- Enumerated
- Oct 12, 2020
- Record last updated
- Oct 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210504002100); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,870 in Oklahoma → Look up another NPI →
Also registered at 1322 Klabzuba Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jay Hutchens, DDSDentist1144342619
- Jamie Jones, APRNNurse Practitioner1427541150
- Anndee Lee-Carter, PACPhysician Assistant1104361070
- Crystal Mahana, PA-CPhysician Assistant1356811558
- Nickolas SitterMedical Physician Assistant1205502994
Verify Elizabeth Oakley Haak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 3213Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average physician assistant in 2024
402 Medicare Part D claims for 316 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass59 claims
- Nitrofurantoin Mono-Macro53 claims
- Paxlovid27 claims
- Azithromycin24 claims
- Cephalexin24 claims
- Prednisone24 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.
Bills Medicare through one group practice
- Mercy Oklahoma Ambulatory Services LLCEdmond, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Oakley Haak among 1,870 physician assistant records in Oklahoma
Elizabeth Oakley Haak, PA-C is one of 1,870 physician assistant records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 68% of them.
- NPI issued2020 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · median 2017 among the 1,246 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 physician assistant records list a practice address in Prague
They are 3 of the 47 NPPES records with a practice address in Prague, and 1,870 physician assistant records in Oklahoma.
All 1,870 in Oklahoma → Every provider in Prague → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anndee Lee-Carter, PACPrague, OK 748641104361070
- Crystal Mahana, PA-CPrague, OK 748641356811558
- Brian Fipps, PACPaden, OK 748601326204355
- Ronald Pauls, PA-CSeminole, OK 748681912182627
- Winter Wells, PA-COkemah, OK 748591205549524
- Valerie Holzbaugh, PA-CNewalla, OK 748571538980487
- Corey Green, PA-CMcLoud, OK 748511255723110
- Emily Nayar, P.A.-CMcLoud, OK 748511548413636
Common questions
What is Elizabeth Oakley Haak, PA-C's NPI number?
Elizabeth Oakley Haak, PA-C's National Provider Identifier (NPI) is 1508464686, issued on Oct 12, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Oakley Haak, PA-C located?
The NPPES record lists a practice address at 1322 Klabzuba Ave, Prague, OK, 74864. Phone: (405) 567-4922. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Oakley Haak, PA-C's license?
NPPES lists Oklahoma license number 3213, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth Oakley Haak, PA-C prescribe under Medicare Part D?
In 2024, Elizabeth Oakley Haak, PA-C had 402 Medicare Part D claims for 316 beneficiaries; the average among physician assistant prescribers was 830. 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.