Sylvia Mollerstrom, M.D.
NPI 1346530623 · Internal Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Mollerstrom, M.D. is a Internal Medicine Physician provider in Seattle, WA (NPI 1346530623).
Provider details
- NPI number
- 1346530623
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD60394730 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 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
146 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 51 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 36 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $106 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $158 |
Typical Medicare-allowed amounts for these services range $18–$158 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 75 | 20 |
| Gabapentin | 68 | 11 |
| Amlodipine Besylate | 54 | 13 |
| Losartan Potassium | 42 | — |
| Lisinopril | 38 | — |
| Duloxetine Hcl | 36 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-07
- Last updated
- 2016-10-31
Frequently asked questions
- What is Sylvia Mollerstrom's NPI number?
- Sylvia Mollerstrom's National Provider Identifier (NPI) is 1346530623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Mollerstrom's specialty?
- Sylvia Mollerstrom is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvia Mollerstrom located?
- Sylvia Mollerstrom's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Sylvia Mollerstrom's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Mollerstrom is (206) 744-5865.
- Does Sylvia Mollerstrom accept Medicare?
- Sylvia Mollerstrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Mollerstrom's NPI active?
- Yes — Sylvia Mollerstrom's NPI (1346530623) is active in the NPPES registry as of the last update on 2016-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.