MRS. KATHRYN LYNN BREWER (MD) – Internal Medicine Physician, NPI 1528042470

MRS. KATHRYN LYNN BREWER (MD) is a healthcare provider. based in Santa ynez, California. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 18020 (OK). The NPI Number for MRS. KATHRYN LYNN BREWER (MD) is 1528042470

Main info

Female
36 Years Of Experience
Accepts Medicare Assignment
Name
MRS. KATHRYN LYNN BREWER (MD)
NPI
1528042470
Phone
(805) 688-7070
Address
PO BOX 539
Enumeration Date
5 December 2005
Last Update Date
20 December 2022

Doctor Profile

Medical School Name
UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Secondary Phone
8056868400
Graduation Year
1990 (36 years ago)
PAC ID
3971584624
Group Practice PAC ID
0345625950
Professional Enrollment ID
I20210208002254
Address ID
CA934632302SO1992XDRXX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness75
Years active:20State licenses:2Digital endpointsOther names

21,508 INTERNAL MEDICINE in CA

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Provider Addresses for MRS. KATHRYN LYNN BREWER (MD)

  • PO BOX 539

    SANTA YNEZ, CA 934600539

    Phone: (805) 688-7070

    Fax: (805) 686-2060

    Type: Mailing

  • Santa Ynez Tribal Health Clinic, 90, Via Juana Road, Santa Ynez, Santa Barbara County, California, 93460, United States

    SANTA YNEZ, CA 934609679

    Phone: (805) 688-7070

    Fax: (805) 686-2060

    Type: Location

  • 217 W Central Ave Ste G

    Lompoc, CA 934362830

    Phone: (805) 735-4292

    Type: Location

  • 1992 OLD MISSION DR STE 140

    SOLVANG, CA 934632302

    Phone: (805) 614-5690

    Fax: (805) 614-5691

    Type: Mailing

  • 1414 E MAIN ST STE 201

    SANTA MARIA, CA 934544890

    Phone: (805) 739-3112

    Fax: (805) 346-3686

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 13 Open Payments records for all available years, with a total value of $467.

Total Amount is formed as General ($467) + Research ($0) + Ownership ($0) = $467.

Last reported payment date: 2024-04-25 • Largest payer in this snapshot: Abbott Laboratories ($198).

Total Amount

$467

General + Research + Ownership

Payments

13

Total payment records

General Amount

$467

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-25

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2021-02-08

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20210208002254IInternal MedicineCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes244128$0
99213Established patient office or other outpatient visit, 20-29 minutes6652$0
83036Hemoglobin a1c level5029$0
99203New patient office or other outpatient visit, 30-44 minutes3939$0
99215Established patient office or other outpatient visit, 40-54 minutes3735$0
View full utilization report →

Insurance plans in this area (ZIP 93460)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0345625950View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YCA
Family PracticeCA
Internal MedicineCA
Cardiac SurgeryTX
Thoracic SurgeryCA
N E U R O S U R G E R YWI
Internal MedicineCA
General Practice, Obstetrics/GynecologyCA
N E U R O S U R G E R YCA
Cardiovascular Disease (Cardiology)CA

Reviews

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Frequently asked questions

How do payers reference MRS. KATHRYN LYNN BREWER (MD)?
For MRS. KATHRYN LYNN BREWER (MD), use NPI 1528042470 as the unique 10-digit identifier.
Would MRS. KATHRYN LYNN BREWER (MD) appear as active to a payer?
You can treat MRS. KATHRYN LYNN BREWER (MD) as active for directory purposes; confirm clinical privileges separately.
What clinical focus is listed for MRS. KATHRYN LYNN BREWER (MD)?
At a glance, MRS. KATHRYN LYNN BREWER (MD) is tied to Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Is MRS. KATHRYN LYNN BREWER (MD) associated with Santa Ynez?
Public fields place MRS. KATHRYN LYNN BREWER (MD) around Santa Ynez, California. Always confirm the exact site before visiting.
Can I trust this NPI listing for MRS. KATHRYN LYNN BREWER (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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