What is John Williams's NPI number?

John Williams's National Provider Identifier (NPI) is 1396141974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Williams's specialty?

John Williams is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is John Williams located?

John Williams's practice location on file with NPPES is 189 Bo James St Ste 105, Clayton, GA 30525-6199.

What is John Williams's phone number?

The practice phone number listed in the NPPES registry for John Williams is (706) 782-0016.

Does John Williams accept Medicare?

John Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is John Williams's NPI active?

Yes — John Williams's NPI (1396141974) is active in the NPPES registry as of the last update on 2024-06-05.

IndividualActiveAccepts Medicare

John Williams, PA-C

NPI 1396141974 · Physician Assistant · Clayton, GA

Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)

John Williams, PA-C is a Physician Assistant provider in Clayton, GA (NPI 1396141974).

Provider details

NPI number: 1396141974
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA-C
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense 7425 (GA)
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistant363A00000XLicense 0010-13479 (NC)
Physician Assistants & Advanced Practice Nursing Providers
Surgical Physician Assistant363AS0400XLicense 007425 (GA)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Established profile(64/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
11 yrs in NPPES registry
Profile completeness28% of score
83% of core fields populated
Practice footprint17% of score
8 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
308 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Emergency Department Visit With High Level of Medical Decision Making99285	113	$140
Emergency Department Visit With Moderate Level of Medical Decision Making99284	97	$97
Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010	42	$6
Emergency Department Visit With Low Level of Medical Decision Making99283	24	$56
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	21	$103
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Prednisone	140	129
Doxycycline Monohydrate	96	90
Tramadol Hcl	86	60
Ondansetronbrand: Ondansetron Odt	72	64
Azithromycin	62	62
Cephalexin	57	56
Albuterol Sulfatebrand: Albuterol Sulfate Hfa	55	46

Practice location

189 Bo James St Ste 105

Clayton, GA 30525-6199

Phone: (706) 782-0016

Fax: (706) 782-0180

Approximate (ZIP-level) locationGet directions

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Mailing address