Manuel Sierra Ascencio
NPI 1093952582 · Internal Medicine Physician · Marysville, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Manuel Sierra Ascencio is a Internal Medicine Physician provider in Marysville, WA (NPI 1093952582).
Provider details
- NPI number
- 1093952582
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 51796 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,918 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 180 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 144 | $124 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 122 | $13 |
| Hemoglobin A1c Level83036 | 114 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 98 | $16 |
| Red Blood Cell Concentration Measurement85014 | 96 | $2 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 207 | 62 |
| Atorvastatin Calcium | 203 | 76 |
| Levothyroxine Sodium | 159 | 52 |
| Metoprolol Succinate | 145 | 40 |
| Losartan Potassium | 127 | 37 |
| Omeprazole | 118 | 37 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-01-21
- Last updated
- 2026-06-08
- Certified
- 2026-06-08
Frequently asked questions
- What is Manuel Sierra Ascencio's NPI number?
- Manuel Sierra Ascencio's National Provider Identifier (NPI) is 1093952582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Manuel Sierra Ascencio's specialty?
- Manuel Sierra Ascencio is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Manuel Sierra Ascencio located?
- Manuel Sierra Ascencio's practice location on file with NPPES is 4420 76th St Ne, Marysville, WA 98270-3726.
- What is Manuel Sierra Ascencio's phone number?
- The practice phone number listed in the NPPES registry for Manuel Sierra Ascencio is (360) 651-7491.
- Does Manuel Sierra Ascencio accept Medicare?
- Manuel Sierra Ascencio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Manuel Sierra Ascencio's NPI active?
- Yes — Manuel Sierra Ascencio's NPI (1093952582) is active in the NPPES registry as of the last update on 2026-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.