Grace Hou, M.D.
Surgical Oncology Physician · Tucson, AZ
Grace Hou, M.D. is a surgical oncology physician with a practice address in Tucson, Arizona, and NPI 1801908181, issued on Aug 31, 2006. Check the license (Arizona 22442, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Grace Hou
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License number
- 22442 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 6320 N Lacholla Blvd, Tucson, AZ 85741
- Phone
- (520) 575-7159
- Enumerated
- Aug 31, 2006
- Record last updated
- Aug 23, 2025
- Fax
- (520) 742-0260
- Medicare enrollment
- Enrolled (PECOS I20051129000089); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 33 in Arizona → Look up another NPI →
Verify Grace Hou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 22442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average surgical oncology physician in 2024
29 Medicare Part D claims for 21 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwest Allied Physicians LLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Hou among 33 surgical oncology physician records in Arizona
Grace Hou, M.D. is one of 33 surgical oncology 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated1989 · median 2010 among the 28 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Arizona
There are 33 surgical oncology physician records in Arizona.
All 33 in Arizona → Every provider in Tucson → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Jennifer Erdrich, M.D.Tucson, AZ 857241528292802
- Faisal Jehan, MDTucson, AZ 857191316434673
- Taylor Riall, M.D.Tucson, AZ 857191245342625
- Michele Boyce Ley, M.D.Tucson, AZ 857121003855214
- Mohammad Khreiss, M.D.Tucson, AZ 857121023241544
- Daniel McCabe, MDTucson, AZ 857121891723045
- Kimberli Cox, MDPeoria, AZ 853811679605141
- Odette Solis, MDPeoria, AZ 853811306342209
Common questions
What is Grace Hou, M.D.'s NPI number?
Grace Hou, M.D.'s National Provider Identifier (NPI) is 1801908181, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grace Hou, M.D. located?
The NPPES record lists a practice address at 6320 N Lacholla Blvd, Tucson, AZ, 85741. Phone: (520) 575-7159. Providers update this record themselves, so call before visiting.
How can I verify Grace Hou, M.D.'s license?
NPPES lists Arizona license number 22442, 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 Grace Hou, M.D. prescribe under Medicare Part D?
In 2024, Grace Hou, M.D. had 29 Medicare Part D claims for 21 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Grace Hou, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.