Kathy Vo Drinkwater, DO
Internal Medicine Physician · Tucson, AZ
Kathy Vo Drinkwater, DO is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1184287328, issued on Apr 14, 2019. Check the license (Arizona R3148, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kathy Vo Drinkwater
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R3148 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1501 N Campbell Ave, Tucson, AZ 85724
- Phone
- (520) 694-0111
- Enumerated
- Apr 14, 2019
- Record last updated
- Jun 16, 2022
- Medicare enrollment
- Enrolled (PECOS I20220816001994); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1501 N Campbell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathy Vo Drinkwater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R3148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
215 Medicare Part D claims for 78 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Eliquis17 claims
- Amoxicillin-Clavulanate Potass12 claims
- Atorvastatin Calcium12 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): 97.6 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
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathy Vo Drinkwater among 2,853 internal medicine physician records in Arizona
Kathy Vo Drinkwater, DO is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 79% of them.
- NPI issued2019 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2003 among the 1,643 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tucson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mridula Aggarwal, MDTucson, AZ 857241932193885
- Craig Brown, DOTucson, AZ 857241043417488
- Joao Ferreira, M.D.Tucson, AZ 857241649339490
- William Johnson, MDTucson, AZ 857241346349768
- Kevin Krcmarik, M.D.Tucson, AZ 857241598962532
- Lorraine Mackstaller, MDTucson, AZ 857241932207479
- Victoria Maizes, MDTucson, AZ 857241477651818
- Laura Meinke, MDTucson, AZ 857241467547034
Common questions
What is Kathy Vo Drinkwater, DO's NPI number?
Kathy Vo Drinkwater, DO's National Provider Identifier (NPI) is 1184287328, issued on Apr 14, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kathy Vo Drinkwater, DO located?
The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 694-0111. Providers update this record themselves, so call before visiting.
How can I verify Kathy Vo Drinkwater, DO's license?
NPPES lists Arizona license number R3148, 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 Kathy Vo Drinkwater, DO prescribe under Medicare Part D?
In 2024, Kathy Vo Drinkwater, DO had 215 Medicare Part D claims for 78 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Kathy Vo Drinkwater, DO's MIPS final score?
The 2023 MIPS final score is 97.6 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.