MR. MARC WREN FONG CRNA
NPI 1679929525
Nurse Anesthetist, Certified Registered in Colton, CA
About Mr. Marc Wren Fong Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARC WREN FONG CRNA (NPI 1679929525) is an individual nurse anesthetist, certified registered in Colton, California, licensed in California (95000533) and active in the NPI registry since May 2016. He is a graduate of Loma Linda University School Of Medicine (2016).
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
Mr. Marc Wren Fong Crna 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
8Medicare enrollment records show Marc Fong reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Fontana, CA 92336
- Reassigned Medicare billing, California enrollment
- 55 clinicians in this Medicare group
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 255 clinicians in this Medicare group
Hemet, CA 92544
- Reassigned Medicare billing, California enrollment
- 24 clinicians in this Medicare group
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 833 clinicians in this Medicare group
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 31 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.
Areas of Expertise CMS Part B claims
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 92324 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLTON, CA 92324
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 Marc Fong's NPI number?
The NPI number for Marc Fong is 1679929525. It was assigned to this individual provider in the NPPES registry on May 10, 2016.
Where is Marc Fong located?
Marc Fong practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 573-6127.
What is Marc Fong's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Marc Fong enrolled in Medicare?
Yes. Marc Fong 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 Marc Fong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Fong reassigns Medicare benefits to 8 organizations: Inland Empire Anesthesia Medical Group, Inc (Colton, CA), Jp Anesthesia Inc (Fontana, CA), Lgibson Anesthesia Inc (Rancho Cucamonga, CA), Seven Star Hospital Associates Inc. (Hemet, CA), Aspen Anesthesia Services Pain Experts And Nursing Networks Inc (Hemet, CA) and 3 more organizations, listed in the Medicare section above. 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 Marc Fong'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 Marc Fong was last updated on August 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mr. Marc Wren Fong, CRNA · NPI 1679929525
Nurse Anesthetist, Certified Registered physician in Colton, California. Individual provider, active in the CMS NPPES registry since May 10, 2016.
## Identity
- **NPI:** 1679929525 (Entity type: Individual)
- **Enumerated:** May 10, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95000533 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 N PEPPER AVE, Colton, CA 92324-1801
- **Phone:** (909) 573-6127
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Inland Empire Anesthesia Medical Group, Inc (NPI 1861502841, Colton, CA); Jp Anesthesia Inc (NPI 1609590926, Fontana, CA); Lgibson Anesthesia Inc (NPI 1417473323, Rancho Cucamonga, CA); Seven Star Hospital Associates Inc. (NPI 1407459506, Hemet, CA); Aspen Anesthesia Services Pain Experts And Nursing Networks Inc (NPI 1568143469, Hemet, CA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** August 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1679929525) · Data from the CMS NPPES public registry.