Marsha Armstrong, MD
NPI 1417041765 · Internal Medicine Physician · Los Gatos, CA
Marsha Armstrong, MD is a Internal Medicine Physician provider in Los Gatos, CA (NPI 1417041765).
Provider details
- NPI number
- 1417041765
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G14057 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2013-03-20
Frequently asked questions
- What is Marsha Armstrong's NPI number?
- Marsha Armstrong's National Provider Identifier (NPI) is 1417041765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marsha Armstrong's specialty?
- Marsha Armstrong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marsha Armstrong located?
- Marsha Armstrong's practice location on file with NPPES is 777 Knowles Dr, Los Gatos, CA 95032-1417.
- What is Marsha Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Marsha Armstrong is (408) 370-3611.
- Is Marsha Armstrong's NPI active?
- Yes — Marsha Armstrong's NPI (1417041765) is active in the NPPES registry as of the last update on 2013-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.