DR. ANDREW L DEEN MD
NPI 1225073000
Internal Medicine in Turlock, CA
About Dr. Andrew L Deen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW L DEEN MD (NPI 1225073000) is an individual internal medicine provider in Turlock, California, licensed in California (A82366) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Andrew L Deen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Andrew Deen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Modesto, CA 95350
- Reassigned Medicare billing, California enrollment
- 176 clinicians in this Medicare group
Merced, CA 95340
- Reassigned Medicare billing, California enrollment
- 126 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 95382 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.
Reported Quality Measures
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.
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 Andrew Deen's NPI number?
The NPI number for Andrew Deen is 1225073000. It was assigned to this individual provider in the NPPES registry on June 17, 2006.
Where is Andrew Deen located?
Andrew Deen practices at 825 Delbon Ave, Turlock, CA 95382. The listed phone number is (209) 667-4200.
What is Andrew Deen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrew Deen enrolled in Medicare?
Yes. Andrew Deen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrew Deen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Deen reassigns Medicare benefits to 2 organizations: Hospitalists Of Modesto Medical Group Inc (Modesto, CA) and Merced Hospitalist Medical Group, Inc. (Merced, 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 Andrew Deen'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 Andrew Deen was last updated on July 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Andrew L Deen, MD · NPI 1225073000
Internal Medicine physician in Turlock, California. Individual provider, active in the CMS NPPES registry since June 17, 2006.
## Identity
- **NPI:** 1225073000 (Entity type: Individual)
- **Enumerated:** June 17, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A82366 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 825 DELBON AVE, Turlock, CA 95382-2016
- **Phone:** (209) 667-4200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Hospitalists Of Modesto Medical Group Inc (NPI 1821190711, Modesto, CA); Merced Hospitalist Medical Group, Inc. (NPI 1730431875, Merced, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 19, 2011
- **Other identifiers:** Medicaid 00A823660 (CA); Medicare PIN P00243177 (CA); Medicare UPIN H71606 (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1225073000) · Data from the CMS NPPES public registry.