DOUGLAS M. ALDER MD
NPI 1205914926
Internal Medicine in Sacramento, CA
About Douglas M. Alder Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS M. ALDER MD (NPI 1205914926) is an individual internal medicine provider in Sacramento, California, licensed in California (A73847) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1999).
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
Douglas M. Alder 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 Reassignment
Medicare enrollment records show Douglas Alder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 95825 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.
SACRAMENTO, CA 95825
SACRAMENTO, CA 95825
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 Douglas Alder's NPI number?
The NPI number for Douglas Alder is 1205914926. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Douglas Alder located?
Douglas Alder practices at 2025 Morse Ave, Sacramento, CA 95825. The listed phone number is (916) 973-5000.
What is Douglas Alder's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Douglas Alder enrolled in Medicare?
Yes. Douglas Alder 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 organization bills Medicare for Douglas Alder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Alder reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Douglas Alder'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 Douglas Alder was last updated on December 8, 2021. 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.
# Douglas M. Alder, MD · NPI 1205914926
Internal Medicine physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1205914926 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A73847 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2025 MORSE AVE, Sacramento, CA 95825-2115
- **Phone:** (916) 973-5000
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** December 8, 2021
- **Other identifiers:** Medicaid 00A738470 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1205914926) · Data from the CMS NPPES public registry.