Tammy Diane Vermeulen, NURSE PRACTITIONER
Acute Care Nurse Practitioner · Oklahoma City, OK
Tammy Diane Vermeulen, NURSE PRACTITIONER is an acute care nurse practitioner with a practice address in Oklahoma City, Oklahoma, and NPI 1598095143, issued on Jan 4, 2010. Check the license (Oklahoma 77115, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammy Diane Vermeulen
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 77115 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4221 S Western Ave Ste 4005, Oklahoma City, OK 73109
- Phone
- (405) 644-5040
- Enumerated
- Jan 4, 2010
- Record last updated
- Sep 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (405) 644-5039
- Medicare enrollment
- Enrolled (PECOS I20100330000008); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 333 in Oklahoma → Look up another NPI →
Also registered at 4221 S Western Ave Ste 4005
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arun Devakonda, MDPulmonary Disease Physician1083873848
Verify Tammy Diane Vermeulen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 77115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
290 Medicare Part D claims for 137 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Tartrate23 claims
- Amlodipine Besylate22 claims
- Potassium Chloride19 claims
- Cephalexin15 claims
- Eliquis15 claims
- Furosemide15 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
- Integris Ambulatory Care CorporationOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tammy Diane Vermeulen among 333 acute care nurse practitioner records in Oklahoma
Tammy Diane Vermeulen, NURSE PRACTITIONER is one of 333 acute care nurse practitioner records with a practice address in Oklahoma. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 8% of them.
- NPI issued2010 · 8% of these records are older, 90% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2009 · median 2021 among the 273 with a school on file
- Record last updated2021 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Oklahoma
There are 333 acute care nurse practitioner records in Oklahoma.
All 333 in Oklahoma → Every provider in Oklahoma City → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Courtney Cuzalina, APRN, CNPOklahoma City, OK 731091750947321
- Melissa Little, APRNOklahoma City, OK 731091730551565
- Katherine LoydOklahoma City, OK 731091750243705
- Rebecca Mitchell, APRN AGACNP-BCOklahoma City, OK 731091225821226
- Jessica Hall, APRN, CNP.Midwest City, OK 731101588249312
- Stephanie McLemoreMidwest City, OK 731101619895836
- William Pruitt, APRN-CNPMidwest City, OK 731101811624810
- Jeri Striplin, ARNP,ACNP-BCMidwest City, OK 731101891939724
Common questions
What is Tammy Diane Vermeulen, NURSE PRACTITIONER's NPI number?
Tammy Diane Vermeulen, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1598095143, issued on Jan 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Diane Vermeulen, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 4221 S Western Ave Ste 4005, Oklahoma City, OK, 73109. Phone: (405) 644-5040. Providers update this record themselves, so call before visiting.
How can I verify Tammy Diane Vermeulen, NURSE PRACTITIONER's license?
NPPES lists Oklahoma license number 77115, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Tammy Diane Vermeulen, NURSE PRACTITIONER prescribe under Medicare Part D?
In 2024, Tammy Diane Vermeulen, NURSE PRACTITIONER had 290 Medicare Part D claims for 137 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.