Kathleen Kellogg, MD
NPI 1437296795 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Kellogg, MD is a Internal Medicine Physician provider in Tucson, AZ (NPI 1437296795).
Provider details
- NPI number
- 1437296795
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 50662 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,451 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 300 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 251 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 187 | $131 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 181 | $16 |
| Assessment of Emotional Or Behavioral Problems96127 | 117 | $5 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 437 | 117 |
| Amlodipine Besylate | 370 | 105 |
| Atorvastatin Calcium | 280 | 84 |
| Lisinopril | 238 | 65 |
| Rosuvastatin Calcium | 234 | 73 |
| Losartan Potassium | 164 | 52 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 9356 E Rita Rd Ste 180Tucson, AZ 85747-6318Phone: (520) 324-4499Fax: (520) 324-4492
- 70 N Harrison RdTucson, AZ 85748-3260Phone: (520) 324-4403Fax: (520) 324-1409
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2021-09-13
- Certified
- 2021-09-13
Frequently asked questions
- What is Kathleen Kellogg's NPI number?
- Kathleen Kellogg's National Provider Identifier (NPI) is 1437296795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Kellogg's specialty?
- Kathleen Kellogg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Kellogg located?
- Kathleen Kellogg's practice location on file with NPPES is 10350 E Drexel Rd Unit 110, Tucson, AZ 85747-9409.
- What is Kathleen Kellogg's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Kellogg is (520) 324-1727.
- Does Kathleen Kellogg accept Medicare?
- Kathleen Kellogg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Kellogg's NPI active?
- Yes — Kathleen Kellogg's NPI (1437296795) is active in the NPPES registry as of the last update on 2021-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.