What is John Williams's specialty?

John Williams (NPI 1144220369) is a Medicare-billing provider whose primary specialty is Internal Medicine in Willits, CA.

Where does John Williams practice?

John Williams practices in Willits, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1144220369.

How much does Medicare pay John Williams?

John Williams (NPI 1144220369) received approximately $133K in total Medicare Part B payments, serving 317 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1144220369

John WilliamsD.O.

Internal MedicineWillits, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

775

Unique beneficiaries

—

Total services

1,874

Distinct HCPCS

Medicare payment

$126K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

11,077

Beneficiaries

—

Total drug cost

$791K

Distinct drugs

164

Brand share

25.8%

Top prescribed drugs

Atorvastatin Calcium442 claims

Amlodipine Besylate429 claims

Gabapentin399 claims

Hydrocodone/Acetaminophen377 claims

Levothyroxine Sodium305 claims

QUALITY · MIPS · 2024

Final MIPS score

37.3

Quality

15.0

Cost

75.9

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-4.53%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$546

Payment records

By payment type

Food and Beverage$546

Top paying entities

Food and Beverage$546

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where John 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). 25 inbound referrers · 42 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
WILLITS HOSPITAL INC.	273	2,606
Ingo Rencken Diagnostic Radiology · Sebastopol, CA	101	440
UKIAH ADVENTIST HOSPITAL	101	547
Falck Northern California Corp. Ambulance Service Provider · Hayward, CA	59	279
Vivek Reddy Diagnostic Radiology · Lakeport, CA	51	156
Myron Schneider Diagnostic Radiology · Lakeport, CA	45	129
Michael Medvin Emergency Medicine · Santa Rosa, CA	35	109
KOCH, JACK	35	209
Samuel Martisius Emergency Medicine · Warren, MI	34	104
HOTT, CHARLES	29	101
TAMANAHA, PHILIP	29	86
David Ploss Cardiology · Eureka, CA	27	226

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
WILLITS HOSPITAL INC.	308	3,424
William Gonser Diagnostic Radiology · Fairfield, CA	119	510
Ingo Rencken Diagnostic Radiology · Sebastopol, CA	118	584
UKIAH ADVENTIST HOSPITAL	112	731
Falck Northern California Corp. Ambulance Service Provider · Hayward, CA	56	284
Vivek Reddy Diagnostic Radiology · Lakeport, CA	54	183
ENSIGN WILLITS LLC	41	644
Michael Medvin Emergency Medicine · Santa Rosa, CA	34	107
KOCH, JACK	34	174
Myron Schneider Diagnostic Radiology · Lakeport, CA	32	87
Laura Winkle Diagnostic Radiology · Ukiah, CA	32	94
WESTERN HEALTH RESOURCES	29	137

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