NICHOLUS MICHAEL WARSTADT MD
NPI 1831696194
Emergency Medicine in San Diego, CA
About Nicholus Michael Warstadt Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLUS MICHAEL WARSTADT MD (NPI 1831696194) is an individual emergency medicine provider in San Diego, California, licensed in California (A175155) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
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
Nicholus Michael Warstadt Md 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Nicholus Warstadt's NPI number?
The NPI number for Nicholus Warstadt is 1831696194. It was assigned to this individual provider in the NPPES registry on April 12, 2018.
Where is Nicholus Warstadt located?
Nicholus Warstadt practices at 4077 Fifth Ave, San Diego, CA 92103. The listed phone number is (619) 686-3800.
What is Nicholus Warstadt's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Nicholus Warstadt enrolled in Medicare?
Yes. Nicholus Warstadt 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 Nicholus Warstadt was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.
# Nicholus Michael Warstadt, MD · NPI 1831696194
Emergency Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since April 12, 2018.
## Identity
- **NPI:** 1831696194 (Entity type: Individual)
- **Enumerated:** April 12, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A175155 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4077 FIFTH AVE, San Diego, CA 92103-2105
- **Phone:** (619) 686-3800
## 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:** Stanford University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831696194) · Data from the CMS NPPES public registry.