Ashley Grigsby, D.O.
Hospitalist Physician · Phoenix, AZ
Ashley Grigsby, D.O. is a hospitalist physician with a practice address in Phoenix, Arizona, and NPI 1952715963, issued on Jun 17, 2014. Check the license (Arizona 007920, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ashley Grigsby
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 007920 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1919 E Thomas RD, Phoenix, AZ 85016
- Phone
- (480) 323-3160
- Enumerated
- Jun 17, 2014
- Record last updated
- Dec 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20191007002663); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2014
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 775 in Arizona → Look up another NPI →
Also registered at 1919 E Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Asmaa Aamir, M.D.Diagnostic Radiology Physician1912163791
- Madeline Aaron, APRN-RNPPediatric Nurse Practitioner1851134837
- Brandon Abbott, D.O., M.P.H.Hospitalist Physician1528350139
- Jason AbbottStudent in an Organized Health Care Education/Training Program1184257958
- Monica Abd El Nour, MDPediatric Infectious Diseases Physician1760044101
- Lindsay Abel, DOStudent in an Organized Health Care Education/Training Program1750222055
Verify Ashley Grigsby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 007920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average hospitalist physician in 2024
115 Medicare Part D claims for 92 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Cephalexin19 claims
- Hydrocodone-Acetaminophen15 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
- Scottsdale Emergency Associates LtdScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashley Grigsby among 775 hospitalist physician records in Arizona
Ashley Grigsby, D.O. is one of 775 hospitalist physician records with a practice address in Arizona. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 57% of them.
- NPI issued2014 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2014 · median 2011 among the 618 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Arizona
There are 775 hospitalist physician records in Arizona.
All 775 in Arizona → Every provider in Phoenix → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Edith Allen, M.D.Phoenix, AZ 850161902842461
- Vasudha Bhavaraju, M.D.Phoenix, AZ 850161770545832
- Kristi Boles, MDPhoenix, AZ 850161891773412
- Daxa Clarke, MDPhoenix, AZ 850161790736205
- Richard Engel, MDPhoenix, AZ 850161851366272
- Shannon Forshey, MDPhoenix, AZ 850161780775395
- Sandra Gage, MDPhoenix, AZ 850161740231604
- John Hartley, D.O.Phoenix, AZ 850161053374207
Common questions
What is Ashley Grigsby, D.O.'s NPI number?
Ashley Grigsby, D.O.'s National Provider Identifier (NPI) is 1952715963, issued on Jun 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ashley Grigsby, D.O. located?
The NPPES record lists a practice address at 1919 E Thomas RD, Phoenix, AZ, 85016. Phone: (480) 323-3160. Providers update this record themselves, so call before visiting.
How can I verify Ashley Grigsby, D.O.'s license?
NPPES lists Arizona license number 007920, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ashley Grigsby, D.O. prescribe under Medicare Part D?
In 2024, Ashley Grigsby, D.O. had 115 Medicare Part D claims for 92 beneficiaries; the average among hospitalist physician prescribers was 521. 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.