ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1649736687
Internal Medicine - Hematology & Oncology in Chico, CA

Active since February 14, 2019
95 DECLARATION DR STE 1, CHICO, CA 95973(530) 332-1042(530) 899-9903 Get Directions Write a Review

NPPES record last updated: September 8, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 8, 2025, Dec 20, 2022, Feb 15, 2022 and 2 more (5 updates tracked since 2019).

About Adventist Health Physicians Network NPPES

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

ADVENTIST HEALTH PHYSICIANS NETWORK (NPI 1649736687) is a healthcare organization registered as a hematology & oncology in Chico, California and active in the NPI registry since February 2019. The organization lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1649736687
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address95 DECLARATION DR STE 1Chico, CA 95973-4916
Mailing AddressPo Box 888794Los Angeles, CA 90088-3804
Fax(530) 899-9903
Organization SubpartNo
Authorized OfficialArby NahapetianPresident · (818) 409-8000
Enumeration DateFebruary 14, 2019
Last NPPES UpdateSeptember 8, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2025
✔ NPI 1649736687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
95 DECLARATION DR STE 1, Chico, CA 95973

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Adventist Health Physicians Network is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

673

Medicare enrollment records show 673 clinicians reassign Medicare billing to Adventist Health Physicians Network, which bills Medicare for the services they deliver. Of these, 7 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 52

Nurse Practitioner130
Diagnostic Radiology121
Family Practice65
Internal Medicine33
General Surgery31
Orthopedic Surgery30
Urology30
Obstetrics/Gynecology26
44 other specialties207

Nearest to this location (20)

See all 673
Nephrology
NPI 1720081342
285 COHASSET RD SUITE 100
Chico, CA 95926
(530) 892-2300
✔ PECOS✔ Accepts Medicare1.9 mi
Internal Medicine
NPI 1073861654
680 COHASSET RD
Chico, CA 95926
(530) 342-4395
✔ PECOS✔ Accepts Medicare1.9 mi
Physical Therapist in Private Practice
NPI 1770146375
111 RALEY BLVD STE 140
Chico, CA 95928
(530) 898-0842
✔ Accepts Medicare5.8 mi
Physical Therapist in Private Practice
NPI 1164035622
111 RALEY BLVD STE 140
Chico, CA 95928
(530) 898-0842
✔ Accepts Medicare5.8 mi
Physical Therapist in Private Practice
NPI 1457549495
111 RALEY BLVD STE 140
Chico, CA 95928
(530) 898-0842
✔ Accepts Medicare5.8 mi
Physical Therapist in Private Practice
NPI 1235372558
111 RALEY BLVD STE 140
Chico, CA 95928
(530) 898-0842
✔ Accepts Medicare5.8 mi
Orthopedic Surgery
NPI 1356519193
131 RALEY BLVD
Chico, CA 95928
(530) 897-4500
✔ PECOS✔ Accepts Medicare5.9 mi
Nurse Practitioner
NPI 1750596839
5125 SKYWAY
Paradise, CA 95969
(530) 872-2000
✔ PECOS13 mi
Nurse Practitioner
NPI 1588614770
5125 SKYWAY
Paradise, CA 95969
(530) 872-2000
✔ PECOS13 mi
Family Practice
NPI 1992196349
5125 SKYWAY
Paradise, CA 95969
(530) 872-2000
✔ PECOS✔ Accepts Medicare13 mi
Gastroenterology
NPI 1730117862
153 PEARSON RD
Paradise, CA 95969
(530) 877-0400
✔ PECOS✔ Accepts Medicare13 mi
Gastroenterology
NPI 1487603254
153 PEARSON RD
Paradise, CA 95969
(530) 877-0400
✔ PECOS✔ Accepts Medicare13 mi
Internal Medicine
NPI 1326544586
1548 HIGHWAY 99
Gridley, CA 95948
(530) 844-5655
✔ PECOS✔ Accepts Medicare30 mi
General Surgery
NPI 1952351777
2526 SISTER MARY COLUMBA DR FL 1
Red Bluff, CA 96080
(530) 528-3150
✔ PECOS✔ Accepts Medicare32 mi
Nurse Practitioner
NPI 1043495021
414 G ST SUITE 208
Marysville, CA 95901
(530) 741-1122
✔ PECOS✔ Accepts Medicare42 mi
Interventional Cardiology
NPI 1235105610
414 G ST
Marysville, CA 95901
(530) 749-4300
✔ PECOS✔ Accepts Medicare42 mi
Cardiac Surgery
NPI 1588695902
401 I ST SUITE A
Marysville, CA 95901
(530) 743-5125
✔ PECOS✔ Accepts Medicare42 mi
Vascular Surgery
NPI 1184103988
414 G ST STE 112
Marysville, CA 95901
(530) 749-6650
✔ PECOS✔ Accepts Medicare42 mi
Urology
NPI 1093135832
1531 PLUMAS CT STE B
Yuba City, CA 95991
(530) 751-4920
✔ PECOS✔ Accepts Medicare45 mi
Orthopedic Surgery
NPI 1336757970
370 DEL NORTE AVE STE 201
Yuba City, CA 95991
(530) 751-7201
✔ PECOS✔ Accepts Medicare45 mi
See all 673 clinicians

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 Adventist Health Physicians Network's NPI number?

The NPI number for Adventist Health Physicians Network is 1649736687. It was assigned to this organization in the NPPES registry on February 14, 2019.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 95 Declaration Dr Ste 1, Chico, CA 95973. The listed phone number is (530) 332-1042.

What is Adventist Health Physicians Network's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Adventist Health Physicians Network enrolled in Medicare?

Yes. Adventist Health Physicians Network is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adventist Health Physicians Network?

According to the CMS Revalidation Reassignment List (October 2026 release), 673 clinicians in 52 Medicare specialties reassign their Medicare billing to Adventist Health Physicians Network. 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 (130), Diagnostic Radiology (121) and Family Practice (65). Of these, 7 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 Adventist Health Physicians Network was last updated on September 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.