Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JESSICA MARIE JOHN M.D.
NPI 1144768482
Internal Medicine - Endocrinology, Diabetes & Metabolism in Davis, CA

Q: What is Jessica John's NPI number?

The NPI number for Jessica John is 1144768482. It was assigned to this individual provider in the NPPES registry on February 7, 2017.

Q: What is Jessica John's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Jessica John was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days 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.

Active since February 07, 2017PECOS Enrolled

2030 SUTTER PL STE 1100, DAVIS, CA 95616(530) 750-5895(530) 750-5858 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 18, 2026, Jul 24, 2023, Nov 2, 2021 and 4 more (7 updates tracked since 2017).

On this page

About Dr. Jessica Marie John M.d. NPPES

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

DR. JESSICA MARIE JOHN M.D. (NPI 1144768482) is an individual endocrinology, diabetes & metabolism provider in Davis, California, licensed in California (A208562) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Travis Afb.

NPPES Registry Identity

NPI1144768482

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameDR. JESSICA MARIE JOHNCredential: M.D.

Location Address2030 SUTTER PL STE 1100Davis, CA 95616-6215

Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071 · Fax (916) 854-6769

Phone(530) 750-5895

Fax(530) 750-5858

Sole ProprietorNo

Enumeration DateFebruary 7, 2017

Last NPPES UpdateSeptember 18, 20267 updates tracked since enumeration

NPPES CertifiedSeptember 18, 2026

✔ NPI 1144768482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

Licenses✔ Licensed in CA · A208562✔ Licensed in OH · 35.139473

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 35.139473 (OH)

2030 SUTTER PL STE 1100, Davis, CA 95616

Open in Google Maps ↗

Secondary Practice Location 1

Location 1101 Bodin CirTravis AFB, CA 94535-1809 · Phone (707) 423-3000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jessica Marie John M.d. 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.

Medicare Billing Reassignment

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

Sutter Valley Medical Foundation

14 mi

Multi-Specialty

2700 GATEWAY OAKS DR
Sacramento, CA 95833

Reassigned Medicare billing, California enrollment
3,056 clinicians in this Medicare group

NPI 1952327256 (800) 470-0071

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 95616 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

$137.20 typical visit price

range $60.44 – $180.85

Typical copayment $34.30 (range $15.11 – $45.21)

Most-billed visit code 99204

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

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.

DR. MOHAMMAD MOSTAFAH KARIMZADA M.D.

Surgery

2030 SUTTER PL STE 1100
DAVIS, CA 95616

Yolo County (530) 750-5890

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 Jessica John's NPI number?

The NPI number for Jessica John is 1144768482. It was assigned to this individual provider in the NPPES registry on February 7, 2017.

Where is Jessica John located?

Jessica John practices at 2030 Sutter Pl Ste 1100, Davis, CA 95616. The listed phone number is (530) 750-5895.

What is Jessica John's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Jessica John enrolled in Medicare?

Yes. Jessica John is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jessica John's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jessica John reassigns Medicare benefits to Sutter Valley Medical Foundation (Sacramento, 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 Jessica John'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 Jessica John was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 days 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.