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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARCUS ANTONIO WALTON M.D.
NPI 1295962603
Anesthesiology in Sandy Springs, GA

Active since June 12, 2009PECOS EnrolledAccepts Medicare Assignment
1000 JOHNSON FY RD NE, SANDY SPRINGS, GA 30342(404) 851-8000(404) 303-3759 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 13, 2026, Jan 4, 2022, Apr 27, 2021 and 1 more (4 updates tracked since 2019).

About Dr. Marcus Antonio Walton M.d. NPPES

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

DR. MARCUS ANTONIO WALTON M.D. (NPI 1295962603) is an individual anesthesiology provider in Sandy Springs, Georgia, licensed in Georgia (87072) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Hca Florida North Florida Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1295962603
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MARCUS ANTONIO WALTONCredential: M.D.
Location Address1000 JOHNSON FY RD NESandy Springs, GA 30342-1606
Mailing Address100 Parkview AvePortsmouth, VA 23704-1932 · (404) 374-5867
Phone(404) 851-8000
Fax(404) 303-3759
Sole ProprietorNo
Medical School CMSMorehouse School Of MedicineGraduated 2009
Enumeration DateJune 12, 2009
Last NPPES UpdateAugust 13, 20264 updates tracked since enumeration
NPPES CertifiedAugust 13, 2026
✔ NPI 1295962603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in GA · 87072
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedMilitary Health Care ProviderTaxonomy 171000000X
1000 JOHNSON FY RD NE, Sandy Springs, GA 30342
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Secondary Practice Locations 2

Location 1620 Jhn Paul Jns CirPortsmouth, VA 23708-2111 · Phone (757) 953-3149
Location 210131 Forest Hill BlvdWellington, FL 33414-6156 · Phone (561) 766-1300 · Fax (561) 693-0539

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.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

Dr. Marcus Antonio Walton 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 ID2668704040
PECOS Enrollment IDI20191105000526, I20200427002002
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 7

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
74 services57 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
28 services25 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.
27 services26 patients
Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
18 services17 patients
Anesthesia for insertion of permanent heart pacemaker 00530
Anesthesia for a permanent heart pacemaker insertion helps to ensure comfort and calmness during the procedure. It's typically a local anesthetic, numbing the area where the pacemaker is inserted. Sedation may also be given to help you relax. You'll be awake, but may not remember the procedure.
13 services13 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Hca Florida North Florida Hospital

Acute Care Hospitals · Gainesville, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100204
Location6500 W Newberry RdGainesville, FL 32605 · Alachua County
Emergency services Birthing friendly

Colquitt Regional Medical Center

Acute Care Hospitals · Moultrie, GA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110105
Location3131 South Main StreetMoultrie, GA 31768 · Colquitt County
Emergency services Birthing friendly

Piedmont Henry Hospital

Acute Care Hospitals · Stockbridge, GA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number110191
Location1133 Eagle's Landing ParkwayStockbridge, GA 30281 · Henry County
Emergency services Birthing friendly

Piedmont Newnan Hospital, Inc

Acute Care Hospitals · Newnan, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110229
Location745 Poplar RoadNewnan, GA 30265 · Coweta County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

APRIL LYNN HITCH CNM
Midwife
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (404) 303-1224
DR. SARAH BROOKS RODGERS M.D.
Pathology (Anatomic Pathology)
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (770) 458-6101
STEFFIN BLAINE GOLDEN MD
Anesthesiology
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (404) 851-8000
UROLOGICAL PROFESSIONAL SERVICES, LLC
Urology
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (855) 709-4535
CARLOS EDUARDO GARCIA OCASIO MD
Psychiatry & Neurology (Neurology)
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (404) 851-8000
KELLI MCCRUM PHARMD
Pharmacist (Oncology)
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (678) 654-1882
STACI C HOFIUS CRNA
Nurse Anesthetist, Certified Registered
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (404) 851-8000
JIAWEN LI
Dietitian, Registered
1000 JOHNSON FY RD NE
ATLANTA, GA 30342
Fulton County (530) 601-3637

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 Marcus Walton's NPI number?

The NPI number for Marcus Walton is 1295962603. It was assigned to this individual provider in the NPPES registry on June 12, 2009.

Where is Marcus Walton located?

Marcus Walton practices at 1000 Johnson Fy Rd NE, Sandy Springs, GA 30342. The listed phone number is (404) 851-8000.

What is Marcus Walton's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Marcus Walton enrolled in Medicare?

Yes. Marcus Walton 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 Marcus Walton accept?

Health plans from Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Marcus Walton 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 Marcus Walton affiliated with any hospitals?

According to CMS data, Marcus Walton is affiliated with Hca Florida North Florida Hospital, Colquitt Regional Medical Center, Piedmont Henry Hospital and Piedmont Newnan Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Marcus Walton was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.