ALYSSA CARVALHO MD
NPI 1861055642
Internal Medicine - Endocrinology, Diabetes & Metabolism in Everett, WA

Active since April 17, 2019PECOS EnrolledAccepts Medicare Assignment
3901 HOYT AVE, EVERETT, WA 98201(425) 339-5456 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 28, 2026, Apr 22, 2026, Jun 25, 2025 and 2 more (5 updates tracked since 2019).

About Alyssa Carvalho Md NPPES

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

ALYSSA CARVALHO MD (NPI 1861055642) is an individual endocrinology, diabetes & metabolism provider in Everett, Washington, licensed in Washington (MD61571539) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Island Hospital, and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1861055642
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameALYSSA CARVALHOCredential: MD
Location Address3901 HOYT AVEEverett, WA 98201-4918
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateApril 17, 2019
Last NPPES UpdateApril 28, 20265 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
NPI 1861055642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in WA · MD61571539
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
3901 HOYT AVE, Everett, WA 98201

Secondary Practice Location 1

Location 19709 3rd Ave NESeattle, WA 98115-2062 · Phone (206) 860-5414

Accepted 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

Alyssa Carvalho 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 ID3779916440
PECOS Enrollment IDI20241218001354
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.

Areas of Expertise CMS Part B claims 4

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
37 services34 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 patients
Parathormone (parathyroid hormone) level 83970
The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.
12 services12 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Island Hospital

Acute Care Hospitals · Anacortes, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500007
Location1211 24th StreetAnacortes, WA 98221 · Skagit County
Emergency services Birthing friendly

Providence Regional Medical Center Everett

Acute Care Hospitals · Everett, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500014
Location1321 Colby AvenueEverett, WA 98201 · Snohomish County
Emergency services Birthing friendly

Evergreenhealth Monroe

Acute Care Hospitals · Monroe, WA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500084
Location14701 179th Ave SEMonroe, WA 98272 · Snohomish County
Emergency services

Evergreenhealth Medical Center

Acute Care Hospitals · Kirkland, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500124
Location12040 NE 128th StreetKirkland, WA 98034 · King County
Emergency services Birthing friendly

Whidbeyhealth Medical Center

Critical Access Hospitals · Coupeville, WA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501339
Location101 North Main StreetCoupeville, WA 98239 · Island County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98201 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Family Medicine
3901 HOYT AVE
EVERETT, WA 98201
Nurse Practitioner (Family)
3901 HOYT AVE
EVERETT, WA 98201
Pediatrics
3901 HOYT AVE
EVERETT, WA 98201
Internal Medicine (Interventional Cardiology)
3901 HOYT AVE
EVERETT, WA 98201
Pediatrics (Pediatric Cardiology)
3901 HOYT AVE
EVERETT, WA 98201
Family Medicine (Geriatric Medicine)
3901 HOYT AVE
EVERETT, WA 98201
Internal Medicine (Rheumatology)
3901 HOYT AVE
EVERETT, WA 98201
Nurse Practitioner
3901 HOYT AVE
EVERETT, WA 98201

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 Alyssa Carvalho's NPI number?

The NPI number for Alyssa Carvalho is 1861055642. It was assigned to this individual provider in the NPPES registry on April 17, 2019.

Where is Alyssa Carvalho located?

Alyssa Carvalho practices at 3901 Hoyt Ave, Everett, WA 98201. The listed phone number is (425) 339-5456.

What is Alyssa Carvalho's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Alyssa Carvalho enrolled in Medicare?

Yes. Alyssa Carvalho 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 Alyssa Carvalho accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Alyssa Carvalho 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 Alyssa Carvalho affiliated with any hospitals?

According to CMS data, Alyssa Carvalho is affiliated with Island Hospital, Providence Regional Medical Center Everett, Evergreenhealth Monroe, Evergreenhealth Medical Center and Whidbeyhealth Medical Center.

When was this NPI record last updated?

The NPPES record for Alyssa Carvalho was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.