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DR. MARK W SAWERIS M.D
NPI 1467870741
Anesthesiology in Mineola, NY

Active since April 02, 2014PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 2, 2026, May 28, 2026, Sep 12, 2022 and 1 more (4 updates tracked since 2020).

About Dr. Mark W Saweris M.d NPPES

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

DR. MARK W SAWERIS M.D (NPI 1467870741) is an individual anesthesiology provider in Mineola, New York, licensed in Florida (ME160764) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Nassau University Medical Center, and maintains a secondary practice location in Syracuse.

NPPES Registry Identity

NPI1467870741
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MARK W SAWERISCredential: M.D
Location Address259 1ST STMineola, NY 11501-3957
Mailing Address750 E Adams StSyracuse, NY 13210-2306 · (315) 464-4259
Phone(516) 663-2216
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateApril 2, 2014
Last NPPES UpdateJune 2, 20264 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1467870741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in FL · ME160764
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 ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License 292044 (NY)
259 1ST ST, Mineola, NY 11501
Open in Google Maps ↗

Secondary Practice Location 1

Location 1750 E Adams StSyracuse, NY 13210-2306 · Phone (315) 464-4720

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna Healthcare, Cigna HealthCare of Florida, Inc..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

Dr. Mark W Saweris 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 ID8224393707
PECOS Enrollment IDI20180604002425, I20231109001866
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

22

Medicare enrollment records show Mark Saweris reassigns Medicare billing to 22 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Star Suites LLC
1.8 mi
Ambulatory Surgical
623 STEWART AVE STE 101
Garden City, NY 11530
  • Reassigned Medicare billing, New York enrollment
  • 59 clinicians in this Medicare group
NPI 1023588266 (516) 650-3355
Upstate Anesthesia Services, P.C.
4.8 mi
Anesthesiology
2201 HEMPSTEAD TPKE DEPT OF
East Meadow, NY 11554
  • Reassigned Medicare billing, New York enrollment
  • 141 clinicians in this Medicare group
NPI 1629272141 (877) 580-4635
Sedation Vacation Perioperative Medicine PLLC
8.2 mi
Specialist
811 WILSON ST
Valley Stream, NY 11581
  • Reassigned Medicare billing, New York enrollment
  • 305 clinicians in this Medicare group
NPI 1891235404 (718) 550-8600
Jamaica Anesthesiologist, PC
9.5 mi
Anesthesiology
8900 VAN WYCK EXPY
Jamaica, NY 11418
  • Reassigned Medicare billing, New York enrollment
  • 163 clinicians in this Medicare group
NPI 1508812892 (718) 206-6088
Gastrointestinal Care Of Long Island PLLC
9.9 mi
Gastroenterology
187 VETERANS BLVD
Massapequa, NY 11758
  • Reassigned Medicare billing, New York enrollment
  • 223 clinicians in this Medicare group
NPI 1265571863 (516) 795-5523
New York University
11 mi
Specialist
9785 QUEENS BLVD
Rego Park, NY 11374
  • Reassigned Medicare billing, New York enrollment
  • 1,074 clinicians in this Medicare group
NPI 1669422879 (718) 261-9100
North American Partners In Anesthesia LLP
12 mi
Anesthesiology
1305 WALT WHITMAN RD STE 300
Melville, NY 11747
  • Reassigned Medicare billing, New York enrollment
  • 508 clinicians in this Medicare group
NPI 1649264706 (516) 945-3000
Bronx Anesthesia Services, PC
15 mi
Anesthesiology
4422 3RD AVE
Bronx, NY 10457
  • Reassigned Medicare billing, New York enrollment
  • 72 clinicians in this Medicare group
NPI 1225330103 (877) 580-4635
Downtown Bronx Medical Associates PC
16 mi
Emergency Medical Services
234 E 149TH ST, STE 8D200
Bronx, NY 10451
  • Reassigned Medicare billing, New York enrollment
  • 971 clinicians in this Medicare group
NPI 1689618407 (718) 576-6200
Interfaith Professional Physician Services, P.C.
16 mi
Surgery
1545 ATLANTIC AVENUE, FACULTY PRACTICE
Brooklyn, NY 11213
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Interfaith Professional Physician Services PC
  • 635 clinicians in this Medicare group
NPI 1457643991 (718) 240-8352

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 11

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 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.
73 services73 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.
55 services54 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.
44 services44 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.
43 services43 patients
Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
40 services39 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.
37 services37 patients

Hospital Affiliations CMS Care Compare 2

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

Nassau University Medical Center

Acute Care Hospitals · East Meadow, NY
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number330027
Location2201 Hempstead TurnpikeEast Meadow, NY 11554 · Nassau County
Emergency services Birthing friendly

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York 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.

LINDSY MILLER M.D.
Anesthesiology
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 741-0570
GINA CARUCCI
Physician Assistant (Medical)
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
DR. CHRISTIAN GIGANTE MD
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-8794
CHRISTOPHER PETILLO
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
JOHN ANTHONY DINELLI MD
Student in an Organized Health Care Education/Training Program
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
MANISHA SAKORE MD
Pediatrics (Neonatal-Perinatal Medicine)
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-3853
DR. LAWRENCE SCHEINBERG M.D.
Anesthesiology
259 1ST ST
MINEOLA, NY 11501
Nassau County (516) 663-0333
DR. KIM ANN RUTHERFORD M.D.
Pediatrics (Pediatric Emergency Medicine)
259 1ST ST
MINEOLA, NY 11501
Nassau County (717) 531-8955

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 Mark Saweris's NPI number?

The NPI number for Mark Saweris is 1467870741. It was assigned to this individual provider in the NPPES registry on April 2, 2014.

Where is Mark Saweris located?

Mark Saweris practices at 259 1st St, Mineola, NY 11501. The listed phone number is (516) 663-2216.

What is Mark Saweris's specialty?

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

Is Mark Saweris enrolled in Medicare?

Yes. Mark Saweris 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 Mark Saweris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Saweris reassigns Medicare benefits to 22 organizations: Star Suites LLC (Garden City, NY), Upstate Anesthesia Services, P.C. (East Meadow, NY), Sedation Vacation Perioperative Medicine PLLC (Valley Stream, NY), Jamaica Anesthesiologist, PC (Jamaica, NY), Gastrointestinal Care Of Long Island PLLC (Massapequa, NY) and 17 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 Mark Saweris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Saweris accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Mark Saweris 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 Mark Saweris affiliated with any hospitals?

According to CMS data, Mark Saweris is affiliated with Nassau University Medical Center and Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Mark Saweris was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.