SPENCER DARLIN
NPI 1154984391
Emergency Medicine in San Diego, CA
About Spencer Darlin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SPENCER DARLIN (NPI 1154984391) is an individual emergency medicine provider in San Diego, California, licensed in California (A176858) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Oakland Univ, William Beaumont School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Spencer Darlin 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.
Medicare Billing Reassignments
2Medicare enrollment records show Spencer Darlin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Chula Vista, CA 91911
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1588552848 (California)
- 1,204 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92120 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 92120
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 Spencer Darlin's NPI number?
The NPI number for Spencer Darlin is 1154984391. It was assigned to this individual provider in the NPPES registry on April 14, 2019.
Where is Spencer Darlin located?
Spencer Darlin practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (833) 574-2273.
What is Spencer Darlin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Spencer Darlin enrolled in Medicare?
Yes. Spencer Darlin 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.
Which organizations bill Medicare for Spencer Darlin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Darlin reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (San Diego, CA) and Cep America - California (Chula Vista, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Spencer Darlin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Spencer Darlin was last updated on April 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Spencer Darlin · NPI 1154984391
Emergency Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since April 14, 2019.
## Identity
- **NPI:** 1154984391 (Entity type: Individual)
- **Enumerated:** April 14, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A176858 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4647 ZION AVE, San Diego, CA 92120-2507
- **Phone:** (833) 574-2273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA); Cep America - California (NPI 1457304529, Chula Vista, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oakland Univ, William Beaumont School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** April 29, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1154984391) · Data from the CMS NPPES public registry.