ALDEN BAHR
NPI 1104356120
Ophthalmology in Burlingame, CA
About Alden Bahr NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALDEN BAHR (NPI 1104356120) is an individual ophthalmology provider in Burlingame, California, licensed in California (A186484) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
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
Alden Bahr 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
3Medicare enrollment records show Alden Bahr reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Burlingame, CA 94010
- Reassigned Medicare billing, California enrollment
- 18 clinicians in this Medicare group
San Francisco, CA 94111
- Reassigned Medicare billing, California enrollment
- 407 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Virginia enrollment
- 501 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 13
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 94010 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 4
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 Alden Bahr's NPI number?
The NPI number for Alden Bahr is 1104356120. It was assigned to this individual provider in the NPPES registry on June 13, 2017.
Where is Alden Bahr located?
Alden Bahr practices at 1720 El Camino Real Ste 225, Burlingame, CA 94010. The listed phone number is (650) 697-3200.
What is Alden Bahr's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Alden Bahr enrolled in Medicare?
Yes. Alden Bahr 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 Alden Bahr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alden Bahr reassigns Medicare benefits to 3 organizations: Peninsula Ophthalmology Group, Inc. (Burlingame, CA), Signify Health Medical Associates Of California, PC (San Francisco, CA) and Signify Health, LLC (Dallas, TX). 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 Alden Bahr'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 Alden Bahr was last updated on July 10, 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.
# Alden Bahr · NPI 1104356120
Ophthalmology physician in Burlingame, California. Individual provider, active in the CMS NPPES registry since June 13, 2017.
## Identity
- **NPI:** 1104356120 (Entity type: Individual)
- **Enumerated:** June 13, 2017
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A186484 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1720 EL CAMINO REAL STE 225, Burlingame, CA 94010-3230
- **Phone:** (650) 697-3200
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Peninsula Ophthalmology Group, Inc. (NPI 1447303995, Burlingame, CA); Signify Health Medical Associates Of California, PC (NPI 1124685169, San Francisco, CA); Signify Health, LLC (NPI 1689158487, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1104356120) · Data from the CMS NPPES public registry.