DOUGLAS MARTIN SIEGMUND FNP-C
NPI 1437837879
Nurse Practitioner - Family in Santa Ana, CA
About Douglas Martin Siegmund Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS MARTIN SIEGMUND FNP-C (NPI 1437837879) is an individual family provider in Santa Ana, California, licensed in California (95025832) and active in the NPI registry since July 2023. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Douglas Martin Siegmund Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92705 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ANA, CA 92705
SANTA ANA, CA 92705
SANTA ANA, CA 92705
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Douglas Siegmund's NPI number?
The NPI number for Douglas Siegmund is 1437837879. It was assigned to this individual provider in the NPPES registry on July 6, 2023.
Where is Douglas Siegmund located?
Douglas Siegmund practices at 2010 E 1st St Ste 100, Santa Ana, CA 92705. The listed phone number is (714) 556-7246.
What is Douglas Siegmund's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Douglas Siegmund enrolled in Medicare?
Yes. Douglas Siegmund is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Douglas Siegmund was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Douglas Martin Siegmund, FNP-C · NPI 1437837879
Family physician in Santa Ana, California. Individual provider, active in the CMS NPPES registry since July 6, 2023.
## Identity
- **NPI:** 1437837879 (Entity type: Individual)
- **Enumerated:** July 6, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95025832 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2010 E 1ST ST STE 100, Santa Ana, CA 92705-4086
- **Phone:** (714) 556-7246
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** May 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1437837879) · Data from the CMS NPPES public registry.