What is Michael Keller's specialty?

Michael Keller (NPI 1659572824) is a Medicare-billing provider whose primary specialty is Colorectal Surgery (Proctology) in San Antonio, TX.

Where does Michael Keller practice?

Michael Keller practices in San Antonio, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1659572824.

How much does Medicare pay Michael Keller?

Michael Keller (NPI 1659572824) received approximately $109K in total Medicare Part B payments, serving 243 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659572824

Michael KellerM.D.

Colorectal Surgery (Proctology)San Antonio, TXI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

326

Unique beneficiaries

—

Total services

413

Distinct HCPCS

Medicare payment

$38K

Peer benchmark

Total Medicare services vs. 159 Colorectal Surgery (Proctology) providers in TX — top quintile (cohort median 395).

PRESCRIBING · PART D · 2024

Total Rx claims

243

Beneficiaries

—

Total drug cost

$6K

Distinct drugs

Brand share

49.4%

Top prescribed drugs

Sodium, Potassium,mag Sulfates77 claims

Metronidazole61 claims

Neomycin Sulfate49 claims

Acetaminophen With Codeine27 claims

Diphenoxylate Hcl/Atropine16 claims

QUALITY · MIPS · 2024

Final MIPS score

85.1

Quality

67.5

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.43%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Travel and Lodging$693

Food and Beverage$647

Top paying entities

Travel and Lodging$693

Food and Beverage$647

REFERRAL NETWORK

Where Michael Keller'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	61	142
Richard Jackson Colorectal Surgery (Proctology) · San Antonio, TX	20	52
CHRISTUS SANTA ROSA HEALTH CARE CORPORATION	11	18

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