Lynn Mortensen, MD
NPI 1588796700 · Family Medicine Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynn Mortensen, MD is a Family Medicine Physician provider in Santa Rosa, CA (NPI 1588796700).
Provider details
- NPI number
- 1588796700
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A63545 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 433 | 168 |
| Levothyroxine Sodium | 348 | 115 |
| Amlodipine Besylate | 269 | 102 |
| Losartan Potassium | 217 | 84 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 189 | 69 |
| Metoprolol Succinate | 170 | 52 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-12
- Last updated
- 2022-02-11
Frequently asked questions
- What is Lynn Mortensen's NPI number?
- Lynn Mortensen's National Provider Identifier (NPI) is 1588796700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Mortensen's specialty?
- Lynn Mortensen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lynn Mortensen located?
- Lynn Mortensen's practice location on file with NPPES is 401 Bicentennial Way, Santa Rosa, CA 95403-2149.
- What is Lynn Mortensen's phone number?
- The practice phone number listed in the NPPES registry for Lynn Mortensen is (707) 571-4563.
- Does Lynn Mortensen accept Medicare?
- Lynn Mortensen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynn Mortensen's NPI active?
- Yes — Lynn Mortensen's NPI (1588796700) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.