Martin M Nielsen MD a Med Corp
NPI 1205860491 · Pulmonary Disease Physician · Oceanside, CA
Martin M Nielsen MD a Med Corp is a Pulmonary Disease Physician organization in Oceanside, CA (NPI 1205860491).
Provider details
- NPI number
- 1205860491
- Entity type
- Organization
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Martin Nielsen, President(760) 758-7474
- 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
- 2006-07-11
- Last updated
- 2015-09-04
Frequently asked questions
- What is Martin M Nielsen MD a Med Corp's NPI number?
- Martin M Nielsen MD a Med Corp's National Provider Identifier (NPI) is 1205860491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Martin M Nielsen MD a Med Corp?
- Martin M Nielsen MD a Med Corp is classified in the NPPES registry as Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Martin M Nielsen MD a Med Corp located?
- Martin M Nielsen MD a Med Corp's practice location on file with NPPES is 3231 Waring Ct Ste L, Oceanside, CA 92056-4510.
- What is Martin M Nielsen MD a Med Corp's phone number?
- The practice phone number listed in the NPPES registry for Martin M Nielsen MD a Med Corp is (760) 758-7474.
- Who is the authorized official for Martin M Nielsen MD a Med Corp?
- The authorized official listed on Martin M Nielsen MD a Med Corp's NPPES record is Martin Nielsen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Martin M Nielsen MD a Med Corp's NPI active?
- Yes — Martin M Nielsen MD a Med Corp's NPI (1205860491) is active in the NPPES registry as of the last update on 2015-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.