RYAN K AH SAN PA-C
NPI 1013181346
Physician Assistant - Medical in Rancho Santa Margarita, CA

Active since April 17, 2008PECOS EnrolledAccepts Medicare Assignment
29472 AVENIDA DE LAS BANDERA, RANCHO SANTA MARGARITA, CA 92688(949) 459-9968(949) 766-2565 Get Directions Write a Review

NPPES record last updated: March 9, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ryan K Ah San Pa-c NPPES

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

RYAN K AH SAN PA-C (NPI 1013181346) is an individual medical provider in Rancho Santa Margarita, California, licensed in California (PA15744) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1013181346
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameRYAN K AH SANCredential: PA-C
Location Address29472 AVENIDA DE LAS BANDERARancho Santa Margarita, CA 92688-2651
Mailing Address17360 Brookhurst St, Attn: Mcmf - Credentialing DepartmentFountain Valley, CA 92708-3720
Fax(949) 766-2565
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateApril 17, 2008
Last NPPES UpdateMarch 9, 2016
NPI 1013181346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in CA · PA15744
29472 AVENIDA DE LAS BANDERA, Rancho Santa Margarita, CA 92688

Other Identifiers 1

OtherPA15744CA · State License

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

Ryan K Ah San Pa-c 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 ID42384919
PECOS Enrollment IDI20080811000649
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
86 services74 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
68 services43 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
67 services38 patients

Other Providers at the Same Location NPPES 12

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

Pediatrics
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688
Internal Medicine
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688
Family Medicine
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688
Family Medicine
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688
Family Medicine
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688
Pediatrics
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688
Pediatrics
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688
Physician Assistant
29472 AVENIDA DE LAS BANDERA
RANCHO SANTA MARGARITA, CA 92688

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 Ryan Ah San's NPI number?

The NPI number for Ryan Ah San is 1013181346. It was assigned to this individual provider in the NPPES registry on April 17, 2008.

Where is Ryan Ah San located?

Ryan Ah San practices at 29472 Avenida De Las Bandera, Rancho Santa Margarita, CA 92688. The listed phone number is (949) 459-9968.

What is Ryan Ah San's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Ryan Ah San enrolled in Medicare?

Yes. Ryan Ah San 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 Ryan Ah San was last updated on March 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.