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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.

MATTHEW RYAN MASUR MD
NPI 1982299806
Anesthesiology in Portsmouth, VA

Active since March 03, 2021PECOS Enrolled
620 JOHN PAUL JONES CIR, PORTSMOUTH, VA 23708(757) 953-5000 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 6, 2026, May 4, 2026, May 5, 2025 and 1 more (4 updates tracked since 2021).

About Matthew Ryan Masur Md NPPES

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

MATTHEW RYAN MASUR MD (NPI 1982299806) is an individual anesthesiology provider in Portsmouth, Virginia, licensed in Virginia (0101289649) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1982299806
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMATTHEW RYAN MASURCredential: MD
Location Address620 JOHN PAUL JONES CIRPortsmouth, VA 23708-2111
Mailing Address620 John Paul Jones CirPortsmouth, VA 23708-2111
Phone(757) 953-5000
Sole ProprietorNo
Enumeration DateMarch 3, 2021
Last NPPES UpdateOctober 6, 20264 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1982299806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in VA · 0101289649✔ Licensed in CA · A180263
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
620 JOHN PAUL JONES CIR, Portsmouth, VA 23708
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Secondary Practice Locations 4

Location 19300 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 2200 W Arbor DrSan Diego, CA 92103-9000 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 36655 Alvarado RdSan Diego, CA 92120-5208 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 4Naval Medical Center San Diego 38400 Bob Wilson DrSan Diego, CA 92134-0001 · Phone (720) 481-6418

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Ryan Masur Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

MEREDITH TVERDOSI CRNA
Nurse Anesthetist, Certified Registered
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-3238
ERIC FRANCIS SULAVA
Emergency Medicine
620 JOHN PAUL JONES CIR, NAVAL MEDICAL CENTER PORTSMOUTH
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-0669
MRS. TIFFNY KUPER RHH
Dental Hygienist
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-2711
DR. LAKEISHA GOODE PHARMD
Pharmacist
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-7462
JASMINE WOOD MD
Surgery
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-1895
NICHOLAS FANSELOW
General Practice
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-0669
DR. DAVID JESSEN MD
Military Health Care Provider
620 JOHN PAUL JONES CIR
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-2518
DR. DANIEL VERNON UNGER M.D.
Orthopaedic Surgery
620 JOHN PAUL JONES CIR, NAVAL MEDICAL CENTER
PORTSMOUTH, VA 23708
Portsmouth City (757) 953-1888

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 Matthew Masur's NPI number?

The NPI number for Matthew Masur is 1982299806. It was assigned to this individual provider in the NPPES registry on March 3, 2021.

Where is Matthew Masur located?

Matthew Masur practices at 620 John Paul Jones Cir, Portsmouth, VA 23708. The listed phone number is (757) 953-5000.

What is Matthew Masur's specialty?

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

Is Matthew Masur enrolled in Medicare?

Yes. Matthew Masur is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Matthew Masur was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.