BONSANA MEDICAL GROUP
NPI 1811490899
Internal Medicine in Santa Rosa, CA

Q: What is Jon Sterngold MD Inc A Professional Corporation's specialty?

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

Active since March 15, 2018

1287 FULTON RD, SANTA ROSA, CA 95401(707) 595-3133 Get Directions Write a Review

NPPES record last updated: June 4, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 4, 2021, May 17, 2021, Mar 15, 2018 (3 updates tracked since 2018).

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About Bonsana Medical Group NPPES

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

BONSANA MEDICAL GROUP (NPI 1811490899) is a healthcare organization registered as an internal medicine in Santa Rosa, California and active in the NPI registry since March 2018. The organization maintains a secondary practice location in Sacramento and lists Jon Sterngold, Owner, as its authorized official.

NPPES Registry Identity

NPI1811490899

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameJON STERNGOLD MD INC A PROFESSIONAL CORPORATION

Location Address1287 FULTON RDSanta Rosa, CA 95401-4923

Mailing AddressPo Box 1770La Mesa, CA 91944-1770

Phone(707) 595-3133

Organization SubpartNo

Authorized OfficialJon SterngoldOwner · (707) 595-3133

Enumeration DateMarch 15, 2018

Last NPPES UpdateJune 4, 20213 updates tracked since enumeration

NPPES CertifiedJune 4, 2021

✔ NPI 1811490899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

1287 FULTON RD, Santa Rosa, CA 95401

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Other Names 1

Doing Business AsBonsana Medical Group

Secondary Practice Location 1

Location 11400 Expo PkwySacramento, CA 95815-4230 · Phone (707) 595-3133

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Bonsana Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 6 clinicians reassign Medicare billing to Bonsana Medical Group, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Robert Isaacs, MD

Family Practice

NPI 1912927286

1287 FULTON RD
Santa Rosa, CA 95401

(707) 888-5808

✔ PECOS✔ Accepts Medicare0.1 mi

Jon Sterngold, MD

General Practice

NPI 1265664866

1287 FULTON RD
Santa Rosa, CA 95401

(707) 595-3133

✔ PECOS✔ Accepts Medicare0.1 mi

Mary Andich, FNP-C

Nurse Practitioner

NPI 1093222408

2800 CLEVELAND AVE STE A
Santa Rosa, CA 95403

(707) 921-7447

✔ PECOS✔ Accepts Medicare2.5 mi

Mahedere Solomon, NP

Nurse Practitioner

NPI 1588809651

433 TURK ST
San Francisco, CA 94102

(415) 928-7800

✔ PECOS✔ Accepts Medicare50 mi

Tiffany Figuero, NP

Nurse Practitioner

NPI 1174011928

5065 DEER VALLEY RD STE 245
Antioch, CA 94531

(925) 732-6422

✔ PECOS✔ Accepts Medicare63 mi

Michele Bunker-Alberts, MSN, FNP, IBCLC

Nurse Practitioner

NPI 1295730935

39500 LIBERTY ST
Fremont, CA 94538

(510) 770-8133

✔ PECOS76 mi

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

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 Jon Sterngold MD Inc A Professional Corporation's NPI number?

The NPI number for Jon Sterngold MD Inc A Professional Corporation is 1811490899. It was assigned to this organization in the NPPES registry on March 15, 2018. The provider is doing business as Bonsana Medical Group.

Where is Jon Sterngold MD Inc A Professional Corporation located?

Jon Sterngold MD Inc A Professional Corporation is located at 1287 Fulton Rd, Santa Rosa, CA 95401. The listed phone number is (707) 595-3133.

What is Jon Sterngold MD Inc A Professional Corporation's specialty?

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

Is Jon Sterngold MD Inc A Professional Corporation enrolled in Medicare?

Yes. Jon Sterngold MD Inc A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Jon Sterngold MD Inc A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 3 Medicare specialties reassign their Medicare billing to Jon Sterngold MD Inc A Professional Corporation. A 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 the clinician's services. The largest specialties are Nurse Practitioner (4), Family Practice (1) and General Practice (1). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Jon Sterngold MD Inc A Professional Corporation was last updated on June 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.