ANTHONY WILLIAMSON M.D.
NPI 1609829845
Psychiatry & Neurology - Neurology in Bluffton, SC

Active since May 18, 2006PECOS EnrolledAccepts Medicare Assignment
0/100
CMS Quality Rating
75 BAYLOR DR STE 155, BLUFFTON, SC 29910(843) 836-3667 Get Directions Write a Review

NPPES record last updated: January 6, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Anthony Williamson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANTHONY WILLIAMSON M.D. (NPI 1609829845) is an individual neurology provider in Bluffton, South Carolina, licensed in Montana (10121) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with St Peters Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1609829845
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameANTHONY WILLIAMSONCredential: M.D.
Location Address75 BAYLOR DR STE 155Bluffton, SC 29910-8965
Mailing AddressPo Box 1196Missoula, MT 59806-1196 · (406) 360-9396
Sole ProprietorYes
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 1998
Enumeration DateMay 18, 2006
Last NPPES UpdateJanuary 6, 2020
NPI 1609829845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in MT · 10121
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
75 BAYLOR DR STE 155, Bluffton, SC 29910

Secondary Practice Locations 2

Location 1117 Willow Ridge CtMissoula, MT 59803-3364 · Phone (406) 360-9396
Location 28 Hospital Center Blvd Ste 110Hilton Head Island, SC 29926-8701 · Phone (843) 681-4966

Other Identifiers 1

Medicaid0047983MT

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Anthony Williamson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436293560
PECOS Enrollment IDI20141222002378
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
144 services144 patients
Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
94 services46 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
90 services64 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
76 services55 patients
Nerve conduction, 9-10 studies 95911
Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.
30 services29 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
29 services29 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Peters Health

Acute Care Hospitals · Helena, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270003
Location2475 BroadwayHelena, MT 59601 · Lewis And Clark County
Emergency services Birthing friendly

St James Healthcare

Acute Care Hospitals · Butte, MT
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270017
Location400 S Clark StButte, MT 59701 · Silver Bow County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29910 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Promoting Interoperability0
Improvement Activities0

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
2 suppliers13 claims13 services$37.76 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery
75 BAYLOR DR STE 155
BLUFFTON, SC 29910
Internal Medicine
75 BAYLOR DR STE 155
BLUFFTON, SC 29910
Family Medicine
75 BAYLOR DR STE 155
BLUFFTON, SC 29910
Physician Assistant
75 BAYLOR DR STE 155
BLUFFTON, SC 29910
Nurse Practitioner (Family)
75 BAYLOR DR STE 155
BLUFFTON, SC 29910
Psychiatry & Neurology (Neurology)
75 BAYLOR DR STE 155
BLUFFTON, SC 29910
Durable Medical Equipment & Medical Supplies
75 BAYLOR DR STE 155
BLUFFTON, SC 29910
Internal Medicine
75 BAYLOR DR STE 155
BLUFFTON, SC 29910

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anthony Williamson's NPI number?

The NPI number for Anthony Williamson is 1609829845. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Anthony Williamson located?

Anthony Williamson practices at 75 Baylor Dr Ste 155, Bluffton, SC 29910. The listed phone number is (843) 836-3667.

What is Anthony Williamson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Anthony Williamson enrolled in Medicare?

Yes. Anthony Williamson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Anthony Williamson accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Anthony Williamson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Anthony Williamson affiliated with any hospitals?

According to CMS data, Anthony Williamson is affiliated with St Peters Health and St James Healthcare.

When was this NPI record last updated?

The NPPES record for Anthony Williamson was last updated on January 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.