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DR. KATHRYN DAVIS GERMERAAD DO
NPI 1649830498
Internal Medicine in San Marcos, CA

Active since June 14, 2019PECOS EnrolledAccepts Medicare Assignment
314 S TWIN OAKS VALLEY RD STE 114, SAN MARCOS, CA 92078(858) 554-1212(858) 795-1195 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 12, 2026, Apr 12, 2023, Jun 14, 2019 (3 updates tracked since 2019).

About Dr. Kathryn Davis Germeraad Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHRYN DAVIS GERMERAAD DO (NPI 1649830498) is an individual internal medicine provider in San Marcos, California, licensed in California (23504) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and is a graduate of Lincoln Mem Univ, Debusk Col Of Osteopathic Med (2019).

NPPES Registry Identity

NPI1649830498
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KATHRYN DAVIS GERMERAADCredential: DO
Location Address314 S TWIN OAKS VALLEY RD STE 114San Marcos, CA 92078-4390
Mailing Address9850 Genesee Ave Ste 320La Jolla, CA 92037-1208 · (858) 554-1212 · Fax (858) 795-1195
Phone(858) 554-1212
Fax(858) 795-1195
Sole ProprietorNo
Medical School CMSLincoln Mem Univ, Debusk Col Of Osteopathic MedGraduated 2019
Enumeration DateJune 14, 2019
Last NPPES UpdateMarch 12, 20263 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
✔ NPI 1649830498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · 23504✔ Licensed in LA · 331481✔ Licensed in VA · 0116032621
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
314 S TWIN OAKS VALLEY RD STE 114, San Marcos, CA 92078
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMO Louisiana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kathryn Davis Germeraad Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385975804
PECOS Enrollment IDI20260226002718
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
55 services53 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92078 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JUSTIN ALEXANDER CHARLES MD
Internal Medicine
314 S TWIN OAKS VALLEY RD STE 114
SAN MARCOS, CA 92078
San Diego County (442) 372-2330

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathryn Germeraad's NPI number?

The NPI number for Kathryn Germeraad is 1649830498. It was assigned to this individual provider in the NPPES registry on June 14, 2019.

Where is Kathryn Germeraad located?

Kathryn Germeraad practices at 314 S Twin Oaks Valley Rd Ste 114, San Marcos, CA 92078. The listed phone number is (858) 554-1212.

What is Kathryn Germeraad's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Kathryn Germeraad enrolled in Medicare?

Yes. Kathryn Germeraad is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kathryn Germeraad accept?

Health plans from HMO Louisiana list Kathryn Germeraad as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kathryn Germeraad was last updated on March 12, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.