What is Phillip Ahn's specialty?

Phillip Ahn (NPI 1104921832) is a Medicare-billing provider whose primary specialty is Neurology in Los Angeles, CA.

Where does Phillip Ahn practice?

Phillip Ahn practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1104921832.

How much does Medicare pay Phillip Ahn?

Phillip Ahn (NPI 1104921832) received approximately $368K in total Medicare Part B payments, serving 600 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1104921832

Phillip AhnM.D.

NeurologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,601

Unique beneficiaries

—

Total services

16,530

Distinct HCPCS

Medicare payment

$353K

Peer benchmark

Total Medicare services vs. 1,670 Neurology providers in CA — top quintile (cohort median 581).

PRESCRIBING · PART D · 2024

Total Rx claims

5,208

Beneficiaries

—

Total drug cost

$184K

Distinct drugs

Brand share

21.4%

Top prescribed drugs

Donepezil Hcl1,001 claims

Gabapentin902 claims

Carbidopa/Levodopa394 claims

Memantine Hcl345 claims

Primidone270 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

96.3

Cost

82.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Phillip Ahn'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). 69 inbound referrers · 147 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST VINCENT MEDICAL CENTER	231	462
Juan Carlos Echeverria Diagnostic Radiology · Arcadia, CA	153	370
Unilab Corporation Clinical Laboratory · West Hills, CA	135	317
WALUCH, VICTOR	125	315
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	125	183
Primex Clinical Laboratories Inc. Clinical Laboratory · Van Nuys, CA	80	297
Edward Oh Diagnostic Radiology · Tucson, AZ	66	106
Biocorp Clinical Lab Inc Clinical Laboratory · Whittier, CA	63	141
Eugene Choi Diagnostic Radiology · Los Angeles, CA	62	126
Richard Yoo Diagnostic Radiology · Los Angeles, CA	55	99
Andrew Cho Ophthalmology · Los Angeles, CA	51	113
Jae Yoo Internal Medicine · Los Angeles, CA	48	156

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ST VINCENT MEDICAL CENTER	171	319
Louis Park Pulmonary Disease · Los Angeles, CA	131	504
WALUCH, VICTOR	120	298
Unilab Corporation Clinical Laboratory · West Hills, CA	102	238
E. Michael Mcmonigle Diagnostic Radiology · Los Angeles, CA	101	256
Primex Clinical Laboratories Inc. Clinical Laboratory · Van Nuys, CA	85	253
PIH HEALTH GOOD SAMARITAN HOSPITAL	84	132
Abacus Business Corporation Group Inc. Clinical Laboratory · Los Angeles, CA	78	284
Juan Carlos Echeverria Diagnostic Radiology · Arcadia, CA	76	190
Eugene Choi Diagnostic Radiology · Los Angeles, CA	69	193
Biocorp Clinical Lab Inc Clinical Laboratory · Whittier, CA	66	150
Steve Seekook Park Cardiology · Los Angeles, CA	65	170

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