What is Katherine Neilan's specialty?

Katherine Neilan (NPI 1932127040) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Francisco, CA.

Where does Katherine Neilan practice?

Katherine Neilan practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1932127040.

How much does Medicare pay Katherine Neilan?

Katherine Neilan (NPI 1932127040) received approximately $37K in total Medicare Part B payments, serving 128 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1932127040

Katherine NeilanM.D.

PRACTICECPMCSee all providers at this practice →

Internal MedicineSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

183

Unique beneficiaries

—

Total services

306

Distinct HCPCS

Medicare payment

$33K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — below median (cohort median 531).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

90.0

Cost

78.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Katherine Neilan'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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	63	221
STEVENS, SUSAN	58	171
CARPENTER, HOWARD	54	209
NPI 1275567943	38	134
Yu-Chen Hu Internal Medicine · San Francisco, CA	31	142
Derk Purcell Diagnostic Radiology · San Francisco, CA	27	113
Myron Marx Diagnostic Radiology · San Francisco, CA	27	120
Mei Zhu Peng Internal Medicine · San Francisco, CA	26	116
Jennifer Beachey Internal Medicine · San Francisco, CA	26	157
Dan Ladabaum Internal Medicine · San Francisco, CA	24	84
Kjell Jorgenson Internal Medicine · San Francisco, CA	23	104
YEE, PRISCILLA	23	96

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

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