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DR. RYANN MARIE AHERN M.D.
NPI 1306149166
Internal Medicine in Anaheim, CA

Active since December 15, 2010PECOS EnrolledAccepts Medicare Assignment
1188 N EUCLID ST, ANAHEIM, CA 92801(888) 988-2800 Get Directions Write a Review

NPPES record last updated: February 10, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 10, 2022, Dec 8, 2021 (2 updates tracked since 2021).

About Dr. Ryann Marie Ahern M.d. NPPES

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

DR. RYANN MARIE AHERN M.D. (NPI 1306149166) is an individual internal medicine provider in Anaheim, California, licensed in California (A114908) and active in the NPI registry since December 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1306149166
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. RYANN MARIE AHERNCredential: M.D.
Location Address1188 N EUCLID STAnaheim, CA 92801-1900
Mailing Address1188 N Euclid StAnaheim, CA 92801-1900 · (888) 988-2800
Phone(888) 988-2800
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateDecember 15, 2010
Last NPPES UpdateFebruary 10, 20222 updates tracked since enumeration
✔ NPI 1306149166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A114908
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.
1188 N EUCLID ST, Anaheim, CA 92801
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ryann Marie Ahern 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 ID2567638679
PECOS Enrollment IDI20111220000445
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92801 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.

VERONICA CHOU
Marriage & Family Therapist
1188 N EUCLID ST
ANAHEIM, CA 92801
Orange County (833) 574-2273
SPOZHMAI M YOSAFI PHARM.D
Pharmacist
1188 N EUCLID ST
ANAHEIM, CA 92801
Orange County (714) 254-2893
DR. ELIZABETH A CANEPA M.D.
Psychiatry & Neurology (Psychiatry)
1188 N EUCLID ST
ANAHEIM, CA 92801
Orange County (833) 574-2273
DR. SIMERJEET SINGH NAIPAUL MD
Family Medicine
1188 N EUCLID ST
ANAHEIM, CA 92801
Orange County (833) 574-2273
JESSICA SKINNER MOLAND M.S., C.G.C
Genetic Counselor, MS
1188 N EUCLID ST
ANAHEIM, CA 92801
Orange County (714) 254-2704
DR. WAI PING ANGEL LI D.O.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1188 N EUCLID ST
ANAHEIM, CA 92801
Orange County (714) 254-2782
MICHAEL NAKAO PHARM.D.
Pharmacist
1188 N EUCLID ST, PHARMACY
ANAHEIM, CA 92801
Orange County (714) 254-2757
KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
1188 N EUCLID ST
ANAHEIM, CA 92801
Orange County (866) 352-9109

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 Ryann Ahern's NPI number?

The NPI number for Ryann Ahern is 1306149166. It was assigned to this individual provider in the NPPES registry on December 15, 2010.

Where is Ryann Ahern located?

Ryann Ahern practices at 1188 N Euclid St, Anaheim, CA 92801. The listed phone number is (888) 988-2800.

What is Ryann Ahern's specialty?

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

Is Ryann Ahern enrolled in Medicare?

Yes. Ryann Ahern 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.

When was this NPI record last updated?

The NPPES record for Ryann Ahern was last updated on February 10, 2022. 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.