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DR. ANNIE RHEA HARRINGTON M.D.
NPI 1275719742
Internal Medicine in Anaheim, CA

Active since January 15, 2008PECOS EnrolledAccepts Medicare Assignment
3430 E LA PALMA AVE, MOB 2, ANAHEIM, CA 92806(714) 644-2305 Get Directions Write a Review

NPPES record last updated: December 21, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Annie Rhea Harrington M.d. NPPES

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

DR. ANNIE RHEA HARRINGTON M.D. (NPI 1275719742) is an individual internal medicine provider in Anaheim, California, licensed in California (A100767) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1275719742
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ANNIE RHEA HARRINGTONCredential: M.D.
Location Address3430 E LA PALMA AVE, MOB 2Anaheim, CA 92806-2020
Mailing Address3430 E La Palma Ave, Mob 2Anaheim, CA 92806-2020 · (714) 644-2305
Phone(714) 644-2305
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJanuary 15, 2008
Last NPPES UpdateDecember 21, 2021
NPPES CertifiedDecember 21, 2021
✔ NPI 1275719742 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A100767
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.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A100767 (CA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A100767 (CA)
3430 E LA PALMA AVE, Anaheim, CA 92806
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Other Names 1

Former Name (1)Annie Rhea Ferrell

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

Dr. Annie Rhea Harrington M.d. 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 ID8426205550
PECOS Enrollment IDI20120824000631
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 Annie Harrington reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1.6 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000

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 92806 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 20

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

PATRICK SATO
Pharmacist
3430 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-7180
JILL KRISTIE BANDALAN SIM
Pharmacist
3430 E LA PALMA AVE, BLDG 2 FLR 1
ANAHEIM, CA 92806
Orange County (714) 644-7180
TERESA GALLEGO
Social Worker (Clinical)
3430 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-4827
DR. ANNA MARCHELE GALYEAN MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
3430 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (188) 898-8280
DR. JOHN C FAN MD
Internal Medicine (Cardiovascular Disease)
3430 E LA PALMA AVE, SCPMG - CARDIOLOGY
ANAHEIM, CA 92806
Orange County (888) 988-2800
DR. UMER IQBAL CHAUDHRY M.D.
Surgery
3430 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-3359
MRS. JENNIFER KIM LEE
Specialist
3430 E LA PALMA AVE, MOB 2 OBGYN
ANAHEIM, CA 92806
Orange County (714) 644-2560
ELENA TAN CRT, RRT, NPS
Respiratory Therapist, Registered
3430 E LA PALMA AVE
ANAHEIM, CA 92806
Orange County (714) 644-7570

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 Annie Harrington's NPI number?

The NPI number for Annie Harrington is 1275719742. It was assigned to this individual provider in the NPPES registry on January 15, 2008. The provider is also known as Annie Rhea Ferrell.

Where is Annie Harrington located?

Annie Harrington practices at 3430 E La Palma Ave Mob 2, Anaheim, CA 92806. The listed phone number is (714) 644-2305.

What is Annie Harrington's specialty?

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

Is Annie Harrington enrolled in Medicare?

Yes. Annie Harrington 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 organization bills Medicare for Annie Harrington's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Annie Harrington reassigns Medicare benefits to Southern California Permanente Medical Group (Anaheim, 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 Annie Harrington'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 Annie Harrington was last updated on December 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.