DR. CHRISTOPHER MICHAEL FIELDS MD
NPI 1427623677
Internal Medicine in San Diego, CA

Q: What is Christopher Fields's NPI number?

The NPI number for Christopher Fields is 1427623677. It was assigned to this individual provider in the NPPES registry on May 20, 2021.

Q: What is Christopher Fields's specialty?

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

Active since May 20, 2021PECOS Enrolled

4650 PALM AVE, SAN DIEGO, CA 92154(833) 574-2273 Get Directions Write a Review

NPPES record last updated: November 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 9, 2025, Sep 16, 2025, Sep 19, 2024 and 2 more (5 updates tracked since 2021).

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About Dr. Christopher Michael Fields Md NPPES

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

DR. CHRISTOPHER MICHAEL FIELDS MD (NPI 1427623677) is an individual internal medicine provider in San Diego, California, licensed in California (A196968) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427623677

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. CHRISTOPHER MICHAEL FIELDSCredential: MD

Location Address4650 PALM AVESan Diego, CA 92154-8404

Mailing AddressPo Box 12186San Diego, CA 92112-3186 · Fax (619) 263-2499

Phone(833) 574-2273

Sole ProprietorYes

Enumeration DateMay 20, 2021

Last NPPES UpdateNovember 9, 20255 updates tracked since enumeration

NPPES CertifiedNovember 9, 2025

✔ NPI 1427623677 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 · A196968

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.

4650 PALM AVE, San Diego, CA 92154

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Christopher Michael Fields Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92154 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 20

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

SAMANTHA DAVIS RAMOS PHARM.D.

Pharmacist