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

THERESA ADELAIDE LONGO MD
NPI 1902990518
Pediatrics - Pediatric Critical Care Medicine in Roseville, CA

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment
1 MEDICAL PLAZA DR, ROSEVILLE, CA 95661(916) 733-3777(916) 454-9780 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 15, 2026, Dec 26, 2022 (2 updates tracked since 2022).

About Theresa Adelaide Longo Md NPPES

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

THERESA ADELAIDE LONGO MD (NPI 1902990518) is an individual pediatric critical care medicine provider in Roseville, California, licensed in California (G59848) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of University Of California, Davis School Of Medicine (1978).

NPPES Registry Identity

NPI1902990518
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameTHERESA ADELAIDE LONGOCredential: MD
Location Address1 MEDICAL PLAZA DRRoseville, CA 95661-3037
Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071 · Fax (916) 854-6769
Phone(916) 733-3777
Fax(916) 454-9780
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1978
Enumeration DateOctober 3, 2006
Last NPPES UpdateSeptember 15, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1902990518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in CA · G59848
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
1 MEDICAL PLAZA DR, Roseville, CA 95661
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Secondary Practice Location 1

Location 117575 Wicker WayRiverside, CA 92504-9563 · Phone (951) 780-9389 · Fax (951) 780-9389

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Regence BlueCross BlueShield of Oregon, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Theresa Adelaide Longo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224178850
PECOS Enrollment IDI20250930003462
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 Theresa Longo reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Health & Services - Oregon
252 mi
Multi-Specialty
1661 HIGHWAY 99 N, BUILDING A, SUITE 100
Ashland, OR 97520
  • Reassigned Medicare billing, Oregon enrollment
  • 181 clinicians in this Medicare group
NPI 1174969778 (541) 732-8300
Providence Health & Services - Oregon
262 mi
Clinic/Center
1111 CRATER LAKE AVE
Medford, OR 97504
  • Reassigned Medicare billing, Oregon enrollment
  • 311 clinicians in this Medicare group
NPI 1093976243 (541) 732-5250
Bay Area Hospital District
356 mi
General Acute Care Hospital
1775 THOMPSON RD
Coos Bay, OR 97420
  • Reassigned Medicare billing, Oregon enrollment
  • 327 clinicians in this Medicare group
NPI 1225016561 (541) 269-8124
Seven Star Hospital Associates Inc.
419 mi
Anesthesiology
1117 E DEVONSHIRE AVE
Hemet, CA 92543
  • Reassigned Medicare billing, California enrollment
  • 255 clinicians in this Medicare group
NPI 1407459506 (951) 652-2811
Mercy Medical Center
1,094 mi
Clinic/Center
1213 15TH AVE W
Williston, ND 58801
  • Reassigned Medicare billing, North Dakota enrollment
  • Also billed through NPI 1902824576 (North Dakota)
  • 268 clinicians in this Medicare group
NPI 1760549000 (701) 774-7470
Ascension NE Wisconsin, Inc
1,724 mi
General Acute Care Hospital
500 S OAKWOOD RD
Oshkosh, WI 54904
  • Reassigned Medicare billing, Wisconsin enrollment
  • 194 clinicians in this Medicare group
NPI 1912527193 (920) 223-2000

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

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.

IQBAL SINGH GREWAL MD
Student in an Organized Health Care Education/Training Program
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 781-1000
MICHELLE LYNNE STONE
Student in an Organized Health Care Education/Training Program
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 292-0294
PREYA S SHETH
Emergency Medicine
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 781-1000
CHAN MI SUNG FNP-BC
Nurse Practitioner (Family)
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 781-1000
ARIANNA GREGG
Student in an Organized Health Care Education/Training Program
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 292-0294
KIMBERLY S. NEWLIN NP
Nurse Practitioner
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 781-1670
NAVEEN REDDY MD
Internal Medicine
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 781-1000
SARA MASHAYEKAN MD
Student in an Organized Health Care Education/Training Program
1 MEDICAL PLAZA DR
ROSEVILLE, CA 95661
Placer County (916) 781-1000

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 Theresa Longo's NPI number?

The NPI number for Theresa Longo is 1902990518. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is Theresa Longo located?

Theresa Longo practices at 1 Medical Plaza Dr, Roseville, CA 95661. The listed phone number is (916) 733-3777.

What is Theresa Longo's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Theresa Longo enrolled in Medicare?

Yes. Theresa Longo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Theresa Longo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Longo reassigns Medicare benefits to 6 organizations: Providence Health & Services - Oregon (Ashland, OR), Providence Health & Services - Oregon (Medford, OR), Bay Area Hospital District (Coos Bay, OR), Seven Star Hospital Associates Inc. (Hemet, CA), Mercy Medical Center (Williston, ND) 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 Theresa Longo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Theresa Longo accept?

Health plans from BridgeSpan Health Company, Regence BlueCross BlueShield of Oregon and Sanford Health Plan list Theresa Longo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Theresa Longo was last updated on September 15, 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.