What is Ryan Ah San's specialty?

Ryan Ah San (NPI 1013181346) is a Medicare-billing provider whose primary specialty is Physician Assistant in Rancho Santa Margarita, CA.

Where does Ryan Ah San practice?

Ryan Ah San practices in Rancho Santa Margarita, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1013181346.

How much does Medicare pay Ryan Ah San?

Ryan Ah San (NPI 1013181346) received approximately $16K in total Medicare Part B payments, serving 120 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1013181346

Ryan Ah SanPA-C

PRACTICEBRISTOL PARK MEDICAL GROUP, INC.See all providers at this practice →

Physician AssistantRancho Santa Margarita, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

196

Unique beneficiaries

—

Total services

279

Distinct HCPCS

Medicare payment

$10K

Peer benchmark

Total Medicare services vs. 7,073 Physician Assistant providers in CA — above median (cohort median 224).

PRESCRIBING · PART D · 2024

Total Rx claims

1,350

Beneficiaries

—

Total drug cost

$156K

Distinct drugs

Brand share

19.0%

Top prescribed drugs

Atorvastatin Calcium134 claims

Losartan Potassium72 claims

Lisinopril58 claims

Semaglutide53 claims

Amlodipine Besylate52 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$55

Payment records

By payment type

Food and Beverage$55

Top paying entities

Food and Beverage$55

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050603

Hospital

REFERRAL NETWORK

Where Ryan Ah San's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 0 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Ku-Juey Raymond Chang Nephrology · Lake Forest, CA	17	50
SADDLEBACK MEMORIAL MEDICAL CENTER	16	21

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events