DR. GREGG LEWIS SMITH MD
NPI 1174628804
Internal Medicine in Crescent City, CA
About Dr. Gregg Lewis Smith Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGG LEWIS SMITH MD (NPI 1174628804) is an individual internal medicine provider in Crescent City, California, licensed in California (G075567) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Gregg Lewis Smith 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.
Medicare Billing Reassignments
5Medicare enrollment records show Gregg Smith reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Crescent City, CA 95531
- Reassigned Medicare billing, California enrollment
- 175 clinicians in this Medicare group
Lakeport, CA 95453
- Reassigned Medicare billing, California enrollment
- 132 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 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 95531 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.
CRESCENT CITY, CA 95531
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 Gregg Smith's NPI number?
The NPI number for Gregg Smith is 1174628804. It was assigned to this individual provider in the NPPES registry on September 14, 2006.
Where is Gregg Smith located?
Gregg Smith practices at 550 E Washington Blvd Suite 100, Crescent City, CA 95531. The listed phone number is (707) 826-8633.
What is Gregg Smith's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gregg Smith enrolled in Medicare?
Yes. Gregg Smith 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 Gregg Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregg Smith reassigns Medicare benefits to 5 organizations: Open Door Community Health Centers (Crescent City, CA), Sutter Bay Hospitals (Lakeport, CA), Healthcare Partners Affiliates Medical Group (Los Angeles, CA), Pinnacle Medical Group, Inc (Fontana, CA) and Beaver Medical Group P C (Redlands, 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 Gregg Smith'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 Gregg Smith was last updated on April 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.