Kathleen Kellogg, MD
Internal Medicine Physician · Tucson, AZ
Kathleen Kellogg, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1437296795, issued on Jan 30, 2007. Check the license (Arizona 50662, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kathleen Kellogg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 50662 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 10350 E Drexel RD Unit 110, Tucson, AZ 85747
- Phone
- (520) 324-1727
- Enumerated
- Jan 30, 2007
- Record last updated
- Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (520) 324-1700
- Medicaid ID
- 039018 AZ
- Medicare enrollment
- Enrolled (PECOS I20151104001327); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 10350 E Drexel RD Unit 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Connie Clary, ANP/GNPAdult Health Nurse Practitioner1245279900
- Heather Davis, FNPFamily Nurse Practitioner1639731920
- Wyn Frost, DOPediatrics Physician1265056220
- Christina HanfRegistered Dietitian1417539487
- Sharifa Hemat, FNPFamily Nurse Practitioner1639035405
- Kimberly Isaac, NP-CFamily Nurse Practitioner1659611390
Verify Kathleen Kellogg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 50662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,653 Medicare Part D claims for 484 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 194 claims were for opioids.
Most prescribed
- Levothyroxine Sodium437 claims
- Amlodipine Besylate370 claims
- Atorvastatin Calcium280 claims
- Lisinopril238 claims
- Rosuvastatin Calcium234 claims
- Losartan Potassium164 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.
Industry payments in 2024: $113.16
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Tmc Medical NetworkTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Kellogg among 2,853 internal medicine physician records in Arizona
Kathleen Kellogg, MD 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 47% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2006 · median 2003 among the 1,643 with a school on file
- Record last updated2021 · 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
- Marie Bernadette Villanueva, MD, MPHTucson, AZ 857471184918039
- Louisa Asare, MDTucson, AZ 857481184186736
- Charles Bridges, M.D.Tucson, AZ 857461730269705
- Zeenat Chowdhury-Jackson, M.D.Tucson, AZ 857461053491050
- Jennifer King, MDTucson, AZ 857481518019694
- Mayra Melendez, MDTucson, AZ 857481255317327
- Edward Mulligan, MDTucson, AZ 857461881060283
- Vrajesh Parmar, MDTucson, AZ 857481023635711
Common questions
What is Kathleen Kellogg, MD's NPI number?
Kathleen Kellogg, MD's National Provider Identifier (NPI) is 1437296795, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Kellogg, MD located?
The NPPES record lists a practice address at 10350 E Drexel RD Unit 110, Tucson, AZ, 85747. Phone: (520) 324-1727. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Kellogg, MD's license?
NPPES lists Arizona license number 50662, 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 Kathleen Kellogg, MD prescribe under Medicare Part D?
In 2024, Kathleen Kellogg, MD had 6,653 Medicare Part D claims for 484 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.