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MARISSA MARIE MARTINEZ MD
NPI 1861078370
Anesthesiology in Bellevue, WA

Active since March 23, 2021PECOS EnrolledAccepts Medicare Assignment
1035 116TH AVE NE, BELLEVUE, WA 98004(425) 688-5000 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 12, 2026, Apr 5, 2021, Mar 23, 2021 (3 updates tracked since 2021).

About Marissa Marie Martinez Md NPPES

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

MARISSA MARIE MARTINEZ MD (NPI 1861078370) is an individual anesthesiology provider in Bellevue, Washington, licensed in Washington (MD.MD.61673853) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of F H Netter, M.d. School Of Med At Quinnipiac Univ (2021).

NPPES Registry Identity

NPI1861078370
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameMARISSA MARIE MARTINEZCredential: MD
Location Address1035 116TH AVE NEBellevue, WA 98004-4604
Mailing Address14751 N Kelsey St Ste 105Monroe, WA 98272-1458
Phone(425) 688-5000
Sole ProprietorYes
Medical School CMSF H Netter, M.d. School Of Med At Quinnipiac UnivGraduated 2021
Enumeration DateMarch 23, 2021
Last NPPES UpdateMay 12, 20263 updates tracked since enumeration
NPPES CertifiedMay 12, 2026
✔ NPI 1861078370 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WA · MD.MD.61673853
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.
1035 116TH AVE NE, Bellevue, WA 98004
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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

Marissa Marie Martinez 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 ID2365843166
PECOS Enrollment IDI20250729002793
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 Reassignment

Medicare enrollment records show Marissa Martinez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Matrix Anesthesia, Ps
Same address
Anesthesiology
1035 116TH AVE NE
Bellevue, WA 98004
  • Reassigned Medicare billing, Washington enrollment
  • 94 clinicians in this Medicare group
NPI 1831146422 (425) 451-4141

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

Hospital Affiliations CMS Care Compare

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

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500051
Location1035-116th Ave NEBellevue, WA 98004 · King 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.

KAY WIEBEN
Physical Therapist
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 688-5860
DR. GENE PAEK M.D.
Anesthesiology
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 407-1500
HAGEN ROBERT NELSON PA-C
Physician Assistant (Medical)
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 688-5000
PATRICK DUFFY PA-C
Physician Assistant
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 688-5000
FRANCIANNNA PARFENONNVA I
Nurse's Aide
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 688-5000
LINDA IRAOLA ARNP
Nurse Practitioner (Family)
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 688-5000
HEESOON LEE PHARM.D., BCPS
Pharmacist (Pharmacotherapy)
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 688-5852
CORY HEIDELBERGER MD
Emergency Medicine
1035 116TH AVE NE
BELLEVUE, WA 98004
King County (425) 688-5759

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 Marissa Martinez's NPI number?

The NPI number for Marissa Martinez is 1861078370. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Marissa Martinez located?

Marissa Martinez practices at 1035 116th Ave NE, Bellevue, WA 98004. The listed phone number is (425) 688-5000.

What is Marissa Martinez's specialty?

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

Is Marissa Martinez enrolled in Medicare?

Yes. Marissa Martinez 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 organization bills Medicare for Marissa Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Martinez reassigns Medicare benefits to Matrix Anesthesia, Ps (Bellevue, WA). The 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 Marissa Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Marissa Martinez affiliated with any hospitals?

According to CMS data, Marissa Martinez is affiliated with Overlake Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Marissa Martinez was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.