Kathryn Brewer, MD
NPI 1528042470 · Internal Medicine Physician · Solvang, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Brewer, MD is a Internal Medicine Physician provider in Solvang, CA (NPI 1528042470).
Provider details
- NPI number
- 1528042470
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 18020 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,136 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) |
|---|---|---|
| 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 | 360 | $18 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 306 | $199 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 160 | $141 |
| Hemoglobin A1c Level83036 | 60 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 52 | $182 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 149 | 43 |
| Atorvastatin Calcium | 109 | 37 |
| Lisinopril | 92 | 29 |
| Losartan Potassium | 75 | 29 |
| Semaglutidebrand: Ozempic | 60 | 14 |
| Amlodipine Besylate | 52 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 across 1 record (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 (1)
- 217 W Central Ave Ste GLompoc, CA 93436-2830Phone: (805) 735-4292
Registry dates
- Enumerated
- 2005-12-05
- Last updated
- 2022-12-20
- Certified
- 2022-12-20
Frequently asked questions
- What is Kathryn Brewer's NPI number?
- Kathryn Brewer's National Provider Identifier (NPI) is 1528042470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Brewer's specialty?
- Kathryn Brewer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Brewer located?
- Kathryn Brewer's practice location on file with NPPES is 1992 Old Mission Dr Ste 140, Solvang, CA 93463-2302.
- What is Kathryn Brewer's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Brewer is (805) 614-5690.
- Does Kathryn Brewer accept Medicare?
- Kathryn Brewer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Brewer's NPI active?
- Yes — Kathryn Brewer's NPI (1528042470) is active in the NPPES registry as of the last update on 2022-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.