What is Mark Williams's specialty?

Mark Williams (NPI 1669575478) is a Medicare-billing provider whose primary specialty is Podiatry in Davison, MI.

Where does Mark Williams practice?

Mark Williams practices in Davison, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1669575478.

How much does Medicare pay Mark Williams?

Mark Williams (NPI 1669575478) received approximately $285K in total Medicare Part B payments, serving 529 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1669575478

Mark WilliamsDPM

PodiatryDavison, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,258

Unique beneficiaries

—

Total services

2,128

Distinct HCPCS

Medicare payment

$93K

Peer benchmark

Total Medicare services vs. 616 Podiatry providers in MI — top quintile (cohort median 1,209).

PRESCRIBING · PART D · 2024

Total Rx claims

229

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

57.2%

Top prescribed drugs

Hydrocodone/Acetaminophen78 claims

Sulfamethoxazole/Trimethoprim27 claims

Amoxicillin/Potassium Clav26 claims

Ciclopirox24 claims

Cephalexin22 claims

QUALITY · MIPS · 2024

Final MIPS score

0.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-9.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$878

Payment records

By payment type

Food and Beverage$878

Top paying entities

Food and Beverage$878

REFERRAL NETWORK

Where Mark Williams'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
QUEST DIAGNOSTICS INCORPORATED MI	228	775
HENRY FORD HEALTH GENESYS HOSPITAL	75	216
MCLAREN LAPEER REGION	67	147
ASIF ISHAQUE MD PC	35	79
Asif Ishaque Internal Medicine · Davison, MI	35	97
Maria Goleba Internal Medicine · Davison, MI	29	88
Christie Samuels Family Practice · Davison, MI	19	27
REGENTS OF THE UNIVERSITY OF MICHIGAN	18	57
Michael Zielinski Family Practice · West Hollywood, CA	18	50
Stanley Conhon Family Practice · Davison, MI	18	46
Sridhar Rao Family Practice · Oviedo, FL	17	33
Bakotic Pathology Associates, Llc Clinical Laboratory · Alpharetta, GA	15	35

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