Grace Tammy Osipowicz, DNP
Nurse Practitioner · Phoenix, AZ
Grace Tammy Osipowicz, DNP is a nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1992461503, issued on Nov 9, 2021. Check the license (Arizona 243288, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace Tammy Osipowicz
- Credential
- DNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 243288 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4530 E Muirwood Dr Ste 111, Phoenix, AZ 85048
- Phone
- (480) 961-2365
- Enumerated
- Nov 9, 2021
- Record last updated
- Aug 4, 2026
- Fax
- (480) 961-2382
- Entity
- Type 1 · individual
Also registered at 4530 E Muirwood Dr Ste 111
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ja'Von Durley, MDNeurology Physician1457093866
- Kelley Hartman, PA-CPhysician Assistant1497537377
- Karla Lorincy, MSN-FNP, RNFamily Nurse Practitioner1871204685
- Amber McLouth, PA-CPhysician Assistant1043386022
- Isabel MikePhysician Assistant1447800388
- McKenzie Millner, RDNMetabolic Nutrition Registered Dietitian1366059834
Verify Grace Tammy Osipowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 243288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
120 Medicare Part D claims for 43 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin11 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.
Nurse Practitioner providers in Arizona
There are 1,423 nurse practitioner records in Arizona.
Other nurse practitioner records in Arizona
- Emma Abbey, NP-CTucson, AZ1548822562
- Ashley Abell, MSN, RN, FNP-CScottsdale, AZ1679041099
- Meredith AbneyChandler, AZ1568392124
- Armando Abucejo, AGACNP-BCPhoenix, AZ1649785288
- Belinda Acosta, FNPTucson, AZ1386622660
- Caitlin Adamowicz, NPScottsdale, AZ1104583152
- Jamie AdamsFort Defiance, AZ1144007097
- Kalekia Adams, DNPScottsdale, AZ1619555034
- Rachael Adger, NPTucson, AZ1306806443
- Jacqueline Agenbroad, NPPhoenix, AZ1447222328
Common questions
What is Grace Tammy Osipowicz, DNP's NPI number?
Grace Tammy Osipowicz, DNP's National Provider Identifier (NPI) is 1992461503, issued on Nov 9, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Grace Tammy Osipowicz, DNP located?
The NPPES record lists a practice address at 4530 E Muirwood Dr Ste 111, Phoenix, AZ, 85048. Phone: (480) 961-2365. Providers update this record themselves, so call before visiting.
How can I verify Grace Tammy Osipowicz, DNP's license?
NPPES lists Arizona license number 243288, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Grace Tammy Osipowicz, DNP prescribe under Medicare Part D?
In 2024, Grace Tammy Osipowicz, DNP had 120 Medicare Part D claims for 43 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.