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CHRISTINE DAVIS
NPI 1669857488
Internal Medicine in Chula Vista, CA

Active since July 22, 2015PECOS EnrolledAccepts Medicare Assignment
450 4TH AVE STE 301, CHULA VISTA, CA 91910(619) 271-7824 Get Directions Write a Review

NPPES record last updated: December 18, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 18, 2024, Mar 19, 2018 (2 updates tracked since 2018).

About Christine Davis NPPES

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

CHRISTINE DAVIS (NPI 1669857488) is an individual internal medicine provider in Chula Vista, California, licensed in California (20A23287) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2015).

NPPES Registry Identity

NPI1669857488
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCHRISTINE DAVIS
Location Address450 4TH AVE STE 301Chula Vista, CA 91910-4429
Mailing Address450 4th Ave Ste 301Chula Vista, CA 91910-4429 · (619) 271-7824
Phone(619) 271-7824
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2015
Enumeration DateJuly 22, 2015
Last NPPES UpdateDecember 18, 20242 updates tracked since enumeration
NPPES CertifiedDecember 18, 2024
✔ NPI 1669857488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A23287
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.
450 4TH AVE STE 301, Chula Vista, CA 91910
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christine Davis 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 ID7416265426
PECOS Enrollment IDI20240923000227
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.

Medicare Billing Reassignment

Medicare enrollment records show Christine Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ajay G. Meka M.D. Inc.
89 mi
Internal Medicine
201 S BROADWAY
Santa Ana, CA 92701
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Ajay G Meka MD Inc
  • 12 clinicians in this Medicare group
NPI 1932214657 (714) 571-4941

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91910 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.

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 Christine Davis's NPI number?

The NPI number for Christine Davis is 1669857488. It was assigned to this individual provider in the NPPES registry on July 22, 2015.

Where is Christine Davis located?

Christine Davis practices at 450 4th Ave Ste 301, Chula Vista, CA 91910. The listed phone number is (619) 271-7824.

What is Christine Davis's specialty?

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

Is Christine Davis enrolled in Medicare?

Yes. Christine Davis 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.

Which organization bills Medicare for Christine Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Davis reassigns Medicare benefits to Ajay G. Meka M.D. Inc. (Santa Ana, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christine Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Christine Davis was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.