Martin Nielsen, M.D.
NPI 1760400550 · Pulmonary Disease Physician · Oceanside, CA
Martin Nielsen, M.D. is a Pulmonary Disease Physician provider in Oceanside, CA (NPI 1760400550).
Provider details
- NPI number
- 1760400550
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G25528 (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
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Martin Nielsen's NPI number?
- Martin Nielsen's National Provider Identifier (NPI) is 1760400550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Nielsen's specialty?
- Martin Nielsen is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Nielsen located?
- Martin Nielsen's practice location on file with NPPES is 3231 Waring Ct Ste L, Oceanside, CA 92056-4510.
- What is Martin Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Martin Nielsen is (760) 758-7474.
- Is Martin Nielsen's NPI active?
- Yes — Martin Nielsen's NPI (1760400550) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.