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SHAMAR ANTHONY MARSTON
NPI 1831743368
Nurse Anesthetist, Certified Registered in Longwood, FL

Active since August 01, 2019PECOS EnrolledAccepts Medicare Assignment
555 W FL - 434, LONGWOOD, FL 32750(954) 303-5508 Get Directions Write a Review

NPPES record last updated: August 3, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Shamar Anthony Marston NPPES

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

SHAMAR ANTHONY MARSTON (NPI 1831743368) is an individual nurse anesthetist, certified registered in Longwood, Florida, licensed in Florida (9395205) and active in the NPI registry since August 2019. He is enrolled in Medicare PECOS, is affiliated with Orlando Health, and maintains a secondary practice location in Atlanta.

NPPES Registry Identity

NPI1831743368
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameSHAMAR ANTHONY MARSTON
Location Address555 W FL - 434Longwood, FL 32750
Mailing Address1307 Mill Pond LnWinter Springs, FL 32708-6537 · (321) 460-0270
Phone(954) 303-5508
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 1, 2019
Last NPPES UpdateAugust 3, 2025
NPPES CertifiedAugust 3, 2025
✔ NPI 1831743368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in FL · 9395205✔ Licensed in GA · GAA-CRNA000391
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
555 W FL - 434, Longwood, FL 32750
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Secondary Practice Location 1

Location 180 Jesse Hill Jr Dr SEAtlanta, GA 30303-3031 · Phone (404) 616-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Cigna HealthCare of Florida, Inc., Oscar 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

Shamar Anthony Marston 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 ID3173917945
PECOS Enrollment IDI20220222001767, I20251023003527, I20260313004147
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

8

Medicare enrollment records show Shamar Marston reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiologists Of Greater Orlando Inc
2.9 mi
Anesthesiology
180 BOSTON AVE
Altamonte Springs, FL 32701
  • Reassigned Medicare billing, Florida enrollment
  • 530 clinicians in this Medicare group
NPI 1730751108 (877) 328-1119
Sheridan Healthcorp Inc
2.9 mi
Anesthesiology
180 BOSTON AVE
Altamonte Springs, FL 32701
  • Reassigned Medicare billing, Florida enrollment
  • 1,973 clinicians in this Medicare group
NPI 1649943564 (877) 328-1119
Us Anesthesia Partners Of Florida Inc.
4.9 mi
Anesthesiology
851 TRAFALGAR CT, SUITE 200E
Maitland, FL 32751
  • Reassigned Medicare billing, Florida enrollment
  • 2,356 clinicians in this Medicare group
NPI 1518910520 (321) 422-7155
Gulf-To-Bay Anesthesiology Associates LLC
57 mi
Anesthesiology
13100 FORT KING RD
Dade City, FL 33525
  • Reassigned Medicare billing, Florida enrollment
  • 1,287 clinicians in this Medicare group
NPI 1982932562 (813) 844-4434
Landmark Hospital Of Southwest Florida, LLC
145 mi
Long Term Care Hospital
1500 LEE BLVD FL 3
Lehigh Acres, FL 33936
  • Reassigned Medicare billing, Florida enrollment
  • Medicare enrollment name: Nchmd Inc
  • 808 clinicians in this Medicare group
NPI 1932595659 (573) 331-8412
Galloway Anesthesia Associates, LLC
149 mi
Nurse Anesthetist, Certified Registered
3401 PGA BLVD STE 520
Palm Beach Gardens, FL 33410
  • Reassigned Medicare billing, Florida enrollment
  • 318 clinicians in this Medicare group
NPI 1316626450 (561) 765-3600
Grady Memorial Hospital Corporation
389 mi
Multi-Specialty
3896 PRINCETON LAKES WAY
Atlanta, GA 30331
  • Reassigned Medicare billing, Georgia enrollment
  • 771 clinicians in this Medicare group
NPI 1649765686 (404) 616-8880
Umass Memorial Medical Group, Inc.
1,068 mi
Urgent Care
78 SUTTON AVE
Oxford, MA 01540
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
NPI 1982381018 (508) 499-1760

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 8

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.

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.
69 services69 patients
Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
67 services67 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.
47 services47 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
35 services35 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
32 services32 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
26 services26 patients

Hospital Affiliations CMS Care Compare 4

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

Orlando Health

Acute Care Hospitals · Orlando, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100006
Location52 W Underwood StOrlando, FL 32806 · Orange County
Emergency services Birthing friendly

Broward Health Coral Springs

Acute Care Hospitals · Coral Springs, FL
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100276
Location3000 Coral Hills DrCoral Springs, FL 33065 · Broward County
Emergency services Birthing friendly

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110079
Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County
Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32750 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Shamar Marston's NPI number?

The NPI number for Shamar Marston is 1831743368. It was assigned to this individual provider in the NPPES registry on August 1, 2019.

Where is Shamar Marston located?

Shamar Marston practices at 555 W Fl - 434, Longwood, FL 32750. The listed phone number is (954) 303-5508.

What is Shamar Marston's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Shamar Marston enrolled in Medicare?

Yes. Shamar Marston 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 Shamar Marston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shamar Marston reassigns Medicare benefits to 8 organizations: Anesthesiologists Of Greater Orlando Inc (Altamonte Springs, FL), Sheridan Healthcorp Inc (Altamonte Springs, FL), Us Anesthesia Partners Of Florida Inc. (Maitland, FL), Gulf-To-Bay Anesthesiology Associates LLC (Dade City, FL), Landmark Hospital Of Southwest Florida, LLC (Lehigh Acres, FL) and 3 more organizations, listed in the Medicare section above. 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 Shamar Marston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shamar Marston accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health and Oscar Health Maintenance Organization of Florida list Shamar Marston 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 Shamar Marston affiliated with any hospitals?

According to CMS data, Shamar Marston is affiliated with Orlando Health, Broward Health Coral Springs, Grady Memorial Hospital and Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Shamar Marston was last updated on August 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.