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SASHA ALEXANDRA UNDERWOOD
NPI 1285194068
Anesthesiology in Miami, FL

Active since March 20, 2019PECOS EnrolledAccepts Medicare Assignment
1611 NW 12TH AVE # C300, MIAMI, FL 33136(303) 585-1111 Get Directions Write a Review

NPPES record last updated: April 1, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 1, 2026, May 15, 2025, Jul 3, 2023 and 2 more (5 updates tracked since 2019).

About Sasha Alexandra Underwood NPPES

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

SASHA ALEXANDRA UNDERWOOD (NPI 1285194068) is an individual anesthesiology provider in Miami, Florida, licensed in Florida (ME165997) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Jackson Health System, and maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1285194068
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameSASHA ALEXANDRA UNDERWOOD
Location Address1611 NW 12TH AVE # C300Miami, FL 33136-1005
Mailing Address1611 Nw 12th Ave # C300Miami, FL 33136-1005
Phone(303) 585-1111
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 20, 2019
Last NPPES UpdateApril 1, 20265 updates tracked since enumeration
NPPES CertifiedApril 1, 2026
✔ NPI 1285194068 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in FL · ME165997✔ Licensed in OR · MD224333
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.
1611 NW 12TH AVE # C300, Miami, FL 33136
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Other Names 1

Former Name (1)Stuart James Huizenga Van Der Greeff

Secondary Practice Location 1

Location 13181 SW Sam Jackson Park RdPortland, OR 97239-3011 · Phone (503) 494-7641 · Fax (503) 494-4661

Other Identifiers 1

OtherTRN29121FL · Florida Department Of Health License Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Molina Healthcare.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

Sasha Alexandra Underwood 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 ID2466812128
PECOS Enrollment IDI20240206000811, I20250326003508
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.

Hospital Affiliations CMS Care Compare 2

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

Jackson Health System

Acute Care Hospitals · Miami, FL
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100022
Location1611 NW 12th AveMiami, FL 33136 · Miami-Dade County
Emergency services Birthing friendly

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 16

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

MS. GINA MARIE CORBETT CRNA
Nurse Anesthetist, Certified Registered
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (305) 585-6586
DR. VERONICA MARGARITA ZOGHBI PARRAGA MD
Anesthesiology
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (305) 585-7037
DR. JAKE RACHIELE MD
Anesthesiology
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (305) 585-7037
AYMEE PAULA APRN
Nurse Practitioner (Gerontology)
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (305) 585-7037
DEVIN SHENKMAN DO
Anesthesiology
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (786) 417-7961
DR. PHILIP J SMITH M.D.
Anesthesiology
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (914) 772-6198
TRAVIS ALTMAN MD
Anesthesiology
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (727) 641-2304
SAM BONGE
Anesthesiology
1611 NW 12TH AVE # C300
MIAMI, FL 33136
Miami-Dade County (305) 585-7037

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 Sasha Underwood's NPI number?

The NPI number for Sasha Underwood is 1285194068. It was assigned to this individual provider in the NPPES registry on March 20, 2019. The provider is also known as Stuart James Huizenga Van Der Greeff.

Where is Sasha Underwood located?

Sasha Underwood practices at 1611 NW 12th Ave # C300, Miami, FL 33136. The listed phone number is (303) 585-1111.

What is Sasha Underwood's specialty?

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

Is Sasha Underwood enrolled in Medicare?

Yes. Sasha Underwood 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 Sasha Underwood accept?

Health plans from CareSource and Molina Healthcare list Sasha Underwood 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 Sasha Underwood affiliated with any hospitals?

According to CMS data, Sasha Underwood is affiliated with Jackson Health System and Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Sasha Underwood was last updated on April 1, 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.