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WILLIAM BENJAMIN SMISSON MD
NPI 1992138366
Pain Medicine - Interventional Pain Medicine in Macon, GA

Active since August 20, 2013PECOS EnrolledAccepts Medicare Assignment
1157 FORSYTH ST STE 200, MACON, GA 31201(478) 476-1968 Get Directions Write a Review

NPPES record last updated: June 5, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 5, 2024, Aug 2, 2022, Jul 12, 2021 and 2 more (5 updates tracked since 2019).

About William Benjamin Smisson Md NPPES

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

WILLIAM BENJAMIN SMISSON MD (NPI 1992138366) is an individual interventional pain medicine provider in Macon, Georgia, licensed in Georgia (77206) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS, is affiliated with Atrium Health Navicent The Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1992138366
Entity TypeIndividualMale
Primary Taxonomy208VP0014X
Provider Legal NameWILLIAM BENJAMIN SMISSONCredential: MD
Location Address1157 FORSYTH ST STE 200Macon, GA 31201-7454
Mailing Address4163 Canyon RdMacon, GA 31210-4742 · (478) 808-5388
Phone(478) 476-1968
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateAugust 20, 2013
Last NPPES UpdateJune 5, 20245 updates tracked since enumeration
NPPES CertifiedJune 5, 2024
✔ NPI 1992138366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPain Medicine · Interventional Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code208VP0014X
License✔ Licensed in GA · 77206
Definition
Interventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and intractable pain, independently or in conjunction with other modalities of treatment.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 77206 (GA)
1157 FORSYTH ST STE 200, Macon, GA 31201
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1100 Jim Mason Ct Ste AWarner Robins, GA 31088-8965 · Phone (478) 971-4001 · Fax (478) 971-4004
Location 2350 Hospital DrMacon, GA 31217-3838 · Phone (478) 746-7577
Location 3777 Hemlock StMacon, GA 31201-2102 · Phone (478) 808-5388

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William Benjamin Smisson Md 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 ID4688990104
PECOS Enrollment IDI20210706001922, I20220818003882
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.

Medicare Billing Reassignments

3

Medicare enrollment records show William Smisson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Georgia Interventional Pain Associates, LLC
Same address
Pain Medicine
1157 FORSYTH ST STE 200
Macon, GA 31201
  • Reassigned Medicare billing, Georgia enrollment
  • 2 clinicians in this Medicare group
NPI 1245935261 (478) 476-1968
Piedmont Anesthesia LLC
58 mi
Anesthesiology
1133 EAGLES LANDING PKWY
Stockbridge, GA 30281
  • Reassigned Medicare billing, Georgia enrollment
  • 713 clinicians in this Medicare group
NPI 1700474244 (678) 604-1053
American Anesthesiology Associates Of Georgia, LLC
73 mi
Anesthesiology
2171 WEST PARK COURT, SUITE A
Stone Mountain, GA 30087
  • Reassigned Medicare billing, Georgia enrollment
  • 650 clinicians in this Medicare group
NPI 1528068673 (678) 514-1991

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
210 services15 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
44 services44 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
30 services30 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
19 services14 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
18 services18 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
17 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Atrium Health Navicent The Medical Center

Acute Care Hospitals · Macon, GA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110107
Location777 Hemlock StreetMacon, GA 31201 · Bibb County
Emergency services Birthing friendly

Coliseum Medical Centers, LLC, Dba

Acute Care Hospitals · Macon, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110164
Location350 Hospital DriveMacon, GA 31217 · Bibb County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31201 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
$124.10 typical visit price
range $53.31 – $164.04
Typical copayment $31.02 (range $13.32 – $41.01)
Most-billed visit code 99204
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
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.

Other Providers at the Same Location NPPES 2

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

GEORGIA INTERVENTIONAL PAIN ASSOCIATES, LLC
Anesthesiology (Pain Medicine)
1157 FORSYTH ST STE 200
MACON, GA 31201
Bibb County (478) 476-1968
MR. JOSHUA SHANE YOUNG N.P.
Nurse Practitioner (Family)
1157 FORSYTH ST STE 200
MACON, GA 31201
Bibb County (478) 476-1968

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 William Smisson's NPI number?

The NPI number for William Smisson is 1992138366. It was assigned to this individual provider in the NPPES registry on August 20, 2013.

Where is William Smisson located?

William Smisson practices at 1157 Forsyth St Ste 200, Macon, GA 31201. The listed phone number is (478) 476-1968.

What is William Smisson's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Is William Smisson enrolled in Medicare?

Yes. William Smisson 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.

Which organizations bill Medicare for William Smisson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Smisson reassigns Medicare benefits to 3 organizations: Georgia Interventional Pain Associates, LLC (Macon, GA), Piedmont Anesthesia LLC (Stockbridge, GA) and American Anesthesiology Associates Of Georgia, LLC (Stone Mountain, GA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Smisson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Smisson accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama and Ambetter of North Carolina and 3 other insurers list William Smisson 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 William Smisson affiliated with any hospitals?

According to CMS data, William Smisson is affiliated with Atrium Health Navicent The Medical Center and Coliseum Medical Centers, LLC, Dba.

When was this NPI record last updated?

The NPPES record for William Smisson was last updated on June 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.