MANUEL ENRIQUE SIERRA ASCENCIO
NPI 1093952582
Internal Medicine in Marysville, WA

Active since January 21, 2009PECOS EnrolledAccepts Medicare Assignment
4420 76TH ST NE, MARYSVILLE, WA 98270(360) 651-7491 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 15, 2017, Sep 23, 2016 (2 updates tracked since 2016).

About Manuel Enrique Sierra Ascencio NPPES

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

MANUEL ENRIQUE SIERRA ASCENCIO (NPI 1093952582) is an individual internal medicine provider in Marysville, Washington, licensed in Washington (MD60663211) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1093952582
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMANUEL ENRIQUE SIERRA ASCENCIO
Location Address4420 76TH ST NEMarysville, WA 98270-3726
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJanuary 21, 2009
Last NPPES UpdateJune 8, 20262 updates tracked since enumeration
NPPES CertifiedJune 8, 2026
NPI 1093952582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in WA · MD60663211 Licensed in MN · 51796
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4420 76TH ST NE, Marysville, WA 98270

Other Identifiers 1

Medicaid2068151WA

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

Manuel Enrique Sierra Ascencio 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 ID7517011877
PECOS Enrollment IDI20161021001233
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 30

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.
180 services95 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.
144 services81 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
122 services89 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
114 services71 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
98 services81 patients
Red blood cell concentration measurement 85014
Red blood cell concentration measurement is a routine blood test that assesses the number of red blood cells in your blood. These cells carry oxygen throughout your body. The test can help identify conditions like anemia or dehydration. It's a simple, quick, and relatively painless procedure.
96 services66 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98270 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
14 suppliers37 claims101 services$6.42 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
11 suppliers18 claims33 services$0.97 avg. paid by Medicare
Intermittent urinary catheter, with insertion supplies A4353
DME-Orthotic Devices · category DF008N
1 supplier11 claims2,200 services$0.68 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
1 supplier12 claims222 services$4.90 avg. paid by Medicare
Adhesive remover, wipes, any type, each A4456
DME-Medical/Surgical Supplies · category DA000N
1 supplier11 claims391 services$0.21 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$63.08 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Pharmacy
4420 76TH ST NE
MARYSVILLE, WA 98270
Internal Medicine
4420 76TH ST NE
MARYSVILLE, WA 98270
Nurse Practitioner
4420 76TH ST NE
MARYSVILLE, WA 98270
Physician Assistant
4420 76TH ST NE
MARYSVILLE, WA 98270
Family Medicine
4420 76TH ST NE
MARYSVILLE, WA 98270
Nurse Practitioner
4420 76TH ST NE
MARYSVILLE, WA 98270
Nurse Practitioner (Pediatrics)
4420 76TH ST NE
MARYSVILLE, WA 98270
Nurse Practitioner (Family)
4420 76TH ST NE
MARYSVILLE, WA 98270

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 Manuel Sierra Ascencio's NPI number?

The NPI number for Manuel Sierra Ascencio is 1093952582. It was assigned to this individual provider in the NPPES registry on January 21, 2009.

Where is Manuel Sierra Ascencio located?

Manuel Sierra Ascencio practices at 4420 76th St NE, Marysville, WA 98270. The listed phone number is (360) 651-7491.

What is Manuel Sierra Ascencio's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Manuel Sierra Ascencio enrolled in Medicare?

Yes. Manuel Sierra Ascencio 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 Manuel Sierra Ascencio accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Manuel Sierra Ascencio 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.

When was this NPI record last updated?

The NPPES record for Manuel Sierra Ascencio was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.