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NATHAN FLEMING MD
NPI 1679864912
Pediatrics in Chico, CA

Active since April 20, 2011PECOS Enrolled
1515 SPRINGFIELD DR STE 175, CHICO, CA 95928(530) 781-1440(530) 342-1483 Get Directions Write a Review

NPPES record last updated: October 15, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 3, 2024, Jul 21, 2022, Jul 7, 2017 and 2 more (5 updates tracked since 2016).

About Nathan Fleming Md NPPES

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

NATHAN FLEMING MD (NPI 1679864912) is an individual pediatrics provider in Chico, California, licensed in California (C191507) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679864912
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameNATHAN FLEMINGCredential: MD
Location Address1515 SPRINGFIELD DR STE 175Chico, CA 95928-5398
Mailing Address1515 Springfield Dr Ste 175Chico, CA 95928-5398 · (530) 781-1440 · Fax (530) 342-1663
Phone(530) 781-1440
Fax(530) 342-1483
Sole ProprietorNo
Enumeration DateApril 20, 2011
Last NPPES UpdateOctober 15, 20245 updates tracked since enumeration
NPPES CertifiedJanuary 3, 2024
✔ NPI 1679864912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in CA · C191507✔ Licensed in WI · 62546-20✔ Licensed in MN · 60207
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1515 SPRINGFIELD DR STE 175, Chico, CA 95928
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Other Identifiers 1

Medicaid1679864912WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nathan Fleming 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.

Medicare Billing Reassignments

6

Medicare enrollment records show Nathan Fleming reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Enloe Medical Center
2.2 mi
Surgery
1600 ESPLANADE, SUITE C
Chico, CA 95926
  • Reassigned Medicare billing, California enrollment
  • 184 clinicians in this Medicare group
NPI 1477975613 (530) 332-7300
Northern Valley Indian Health, Inc
2.6 mi
Clinic/Center
500 COHASSET RD STE 15
Chico, CA 95926
  • Reassigned Medicare billing, Texas enrollment
  • 89 clinicians in this Medicare group
NPI 1740634286 (530) 433-2500
Southern California Permanente Medical Group
334 mi
Health Maintenance Organization
9100 ROSEDALE HWY
Bakersfield, CA 93312
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1316572753 (877) 608-0044
Gundersen Clinic, Ltd.
1,568 mi
Clinic/Center
110 KING STREET
Fayette, IA 52142
  • Reassigned Medicare billing, Wisconsin enrollment
  • 928 clinicians in this Medicare group
NPI 1053366518 (608) 782-7300
Gundersen Lutheran Medical Center, Inc
1,595 mi
Clinic/Center
1836 SOUTH AVE
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,457 clinicians in this Medicare group
NPI 1689918377 (608) 782-7300
Thedacare, Incorporated
1,719 mi
Family Medicine
1405 MILL ST
New London, WI 54961
  • Reassigned Medicare billing, Wisconsin enrollment
  • 988 clinicians in this Medicare group
NPI 1376656959 (920) 830-5900

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 95928 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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 7

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

LISA CORDOVA FNP
Nurse Practitioner (Family)
1515 SPRINGFIELD DR STE 175
CHICO, CA 95928
Butte County (530) 781-1440
DR. JAMES PIERCE MD
Pediatrics
1515 SPRINGFIELD DR STE 175
CHICO, CA 95928
Butte County (530) 781-1440
ALEXANDRA PERRONE FNP-BC
Nurse Practitioner (Family)
1515 SPRINGFIELD DR STE 175
CHICO, CA 95928
Butte County (530) 781-1440
MR. MATTHEW PETER GARCIA
Counselor (Mental Health)
1515 SPRINGFIELD DR STE 175
CHICO, CA 95928
Butte County (530) 781-1440
ERIN MICHELLE FEULNER
Marriage & Family Therapist
1515 SPRINGFIELD DR STE 175
CHICO, CA 95928
Butte County (530) 781-1440
SARA MICHELLE SKEETERS BSW, MSW, ASW
Social Worker (Clinical)
1515 SPRINGFIELD DR STE 175
CHICO, CA 95928
Butte County (530) 781-1440
NORTHERN VALLEY INDIAN HEALTH, INC
Clinic/Center
1515 SPRINGFIELD DR STE 175
CHICO, CA 95928
Butte County (530) 781-1440

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 Nathan Fleming's NPI number?

The NPI number for Nathan Fleming is 1679864912. It was assigned to this individual provider in the NPPES registry on April 20, 2011.

Where is Nathan Fleming located?

Nathan Fleming practices at 1515 Springfield Dr Ste 175, Chico, CA 95928. The listed phone number is (530) 781-1440.

What is Nathan Fleming's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Nathan Fleming enrolled in Medicare?

Yes. Nathan Fleming is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nathan Fleming's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Fleming reassigns Medicare benefits to 6 organizations: Enloe Medical Center (Chico, CA), Northern Valley Indian Health, Inc (Chico, CA), Southern California Permanente Medical Group (Bakersfield, CA), Gundersen Clinic, Ltd. (Fayette, IA), Gundersen Lutheran Medical Center, Inc (La Crosse, WI) and 1 more organization, listed in the Medicare section above. Each 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 Nathan Fleming'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 Nathan Fleming was last updated on October 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.