Adam Joseph Gratz, D.O.
General Practice Physician · Hawi, HI
Adam Joseph Gratz, D.O. is a general practice physician with a practice address in Hawi, Hawaii, and NPI 1598895351, issued on Mar 7, 2007. Check the license (Hawaii DOS-1090, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Adam Joseph Gratz
- Credential
- D.O.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- DOS-1090 HI
Self-reported in NPPES; status is on the state search - Practice location
- 55-515 Hawi RD, Hawi, HI 96719
- Phone
- (808) 960-3311
- Enumerated
- Mar 7, 2007
- Record last updated
- Mar 7, 2023
- Fax
- (866) 263-1889
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 171 in Hawaii → Look up another NPI →
Verify Adam Joseph Gratz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license DOS-1090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average general practice physician in 2024
259 Medicare Part D claims for 44 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Levothyroxine Sodium20 claims
- Atorvastatin Calcium15 claims
- Zolpidem Tartrate14 claims
- Morphine Sulfate Er13 claims
- Hydromorphone Hcl12 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.
Adam Joseph Gratz among 171 general practice physician records in Hawaii
Adam Joseph Gratz, D.O. is one of 171 general practice physician records with a practice address in Hawaii. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 23% of them.
- NPI issued2007 · 23% of these records are older, 64% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 16% of these records are
- Record last updated2023 · 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 208D00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 general practice physician record lists a practice address in Hawi
They are 1 of the 10 NPPES records with a practice address in Hawi, and 171 general practice physician records in Hawaii.
All 171 in Hawaii → Every provider in Hawi → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Robert Goodwin, M.D.Hilo, HI 967201174618094
- Fatima Phillips, M.D., M.P.H., PH.D.Hilo, HI 967201548446487
- Ross Vanderhoof, M.D.Hilo, HI 967201770994824
- Stephen Warsh, M.D.Hilo, HI 967201801858295
- Thomas Austin, MDPrinceville, HI 967221215915632
- Paul Kaiwi, M.D.Hana, HI 967131730123365
- Blase Lee Loy, M.D.Holualoa, HI 967251245477710
- Gretchen Salmon, M.D.Honokaa, HI 967271356430326
Common questions
What is Adam Joseph Gratz, D.O.'s NPI number?
Adam Joseph Gratz, D.O.'s National Provider Identifier (NPI) is 1598895351, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Adam Joseph Gratz, D.O. located?
The NPPES record lists a practice address at 55-515 Hawi RD, Hawi, HI, 96719. Phone: (808) 960-3311. Providers update this record themselves, so call before visiting.
How can I verify Adam Joseph Gratz, D.O.'s license?
NPPES lists Hawaii license number DOS-1090, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Adam Joseph Gratz, D.O. prescribe under Medicare Part D?
In 2024, Adam Joseph Gratz, D.O. had 259 Medicare Part D claims for 44 beneficiaries; the average among general practice physician prescribers was 3,030. 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.