Manuel Enrique Sierra Ascencio
Internal Medicine Physician · Marysville, WA
Manuel Enrique Sierra Ascencio is an internal medicine physician with a practice address in Marysville, Washington, and NPI 1093952582, issued on Jan 21, 2009. Check the license (Washington MD60663211, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Manuel Enrique Sierra Ascencio
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD60663211 WA
51796 MN
Self-reported in NPPES; status is on the state search - Practice location
- 4420 76TH St NE, Marysville, WA 98270
- Phone
- (360) 651-7491
- Enumerated
- Jan 21, 2009
- Record last updated
- Jun 8, 2026
- Medicaid ID
- 2068151 WA
- Medicare enrollment
- Enrolled (PECOS I20161021001233); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 4420 76TH St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Manuel Enrique Sierra Ascencio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60663211Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average internal medicine physician in 2024
4,136 Medicare Part D claims for 353 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 137 claims were for opioids.
Most prescribed
- Amlodipine Besylate207 claims
- Atorvastatin Calcium203 claims
- Levothyroxine Sodium159 claims
- Metoprolol Succinate145 claims
- Losartan Potassium127 claims
- Omeprazole118 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Optum Care Washington PLLCMarysville, WA
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Manuel Enrique Sierra Ascencio among 3,079 internal medicine physician records in Washington
Manuel Enrique Sierra Ascencio is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2006 among the 1,852 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 internal medicine physician records list a practice address in Marysville
They are 18 of the 874 NPPES records with a practice address in Marysville, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Marysville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Chad Cleven, DOMarysville, WA 982701700987856
- Santosa Ho, MDMarysville, WA 982701053378018
- Kathleen Hughes, MDMarysville, WA 982701962512996
- Amandeep KaurMarysville, WA 982701356775266
- Olga Kennedy, MDMarysville, WA 982701699742122
- Toshiko Magnus, MDMarysville, WA 982701750358875
- Mandeep Saini, MDMarysville, WA 982701912974031
- Brett Schweizer, D.O.Marysville, WA 982701265778849
Common questions
What is Manuel Enrique Sierra Ascencio's NPI number?
Manuel Enrique Sierra Ascencio's National Provider Identifier (NPI) is 1093952582, issued on Jan 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Manuel Enrique Sierra Ascencio located?
The NPPES record lists a practice address at 4420 76TH St NE, Marysville, WA, 98270. Phone: (360) 651-7491. Providers update this record themselves, so call before visiting.
How can I verify Manuel Enrique Sierra Ascencio's license?
NPPES lists Washington license number MD60663211, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Manuel Enrique Sierra Ascencio prescribe under Medicare Part D?
In 2024, Manuel Enrique Sierra Ascencio had 4,136 Medicare Part D claims for 353 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.