What is Marc-Alan Iwahashi's specialty?

Marc-Alan Iwahashi (NPI 1235123985) is a Medicare-billing provider whose primary specialty is Family Practice in Cupertino, CA.

Where does Marc-Alan Iwahashi practice?

Marc-Alan Iwahashi practices in Cupertino, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1235123985.

How much does Medicare pay Marc-Alan Iwahashi?

Marc-Alan Iwahashi (NPI 1235123985) received approximately $71K in total Medicare Part B payments, serving 362 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1235123985

Marc-Alan IwahashiM.D.,

Family PracticeCupertino, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

680

Unique beneficiaries

—

Total services

776

Distinct HCPCS

Medicare payment

$65K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — above median (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

2,627

Beneficiaries

—

Total drug cost

$212K

Distinct drugs

Brand share

15.1%

Top prescribed drugs

Amlodipine Besylate240 claims

Atorvastatin Calcium237 claims

Levothyroxine Sodium176 claims

Metformin Hcl151 claims

Losartan Potassium147 claims

QUALITY · MIPS · 2024

Final MIPS score

89.3

Quality

87.8

Cost

76.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.60%

Subgroup

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$48

Payment records

By payment type

Food and Beverage$48

Top paying entities

Food and Beverage$48

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (6)

Home health agency

Home health agency

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Marc-Alan Iwahashi'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). 3 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EL CAMINO HOSPITAL	54	119
Daniel Kanada Diagnostic Radiology · Santa Clara, CA	15	27
Samuel Dawn Diagnostic Radiology · Mountain View, CA	11	22

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · San Jose, CA	54	132
EL CAMINO HOSPITAL	45	88
Ramesh Gopi Diagnostic Radiology · Cupertino, CA	21	43
Daniel Kanada Diagnostic Radiology · Santa Clara, CA	17	46
EL CAMINO HOSPITAL	14	51
Robert Mastman Ophthalmology · San Jose, CA	13	19
STANFORD HEALTH CARE	12	36
GOOD SAMARITAN HOSPITAL, L.P.	12	31
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	11	26
Samuel Dawn Diagnostic Radiology · Mountain View, CA	11	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