MS. MARTHA ELIZABETH RYAN MD
NPI 1427443738
Ophthalmology in Salinas, CA
About Ms. Martha Elizabeth Ryan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARTHA ELIZABETH RYAN MD (NPI 1427443738) is an individual ophthalmology provider in Salinas, California, licensed in California (A161841) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Emory University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Ms. Martha Elizabeth Ryan 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
2Medicare enrollment records show Martha Ryan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salinas, CA 93901
- Reassigned Medicare billing, California enrollment
- 26 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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 16
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 93901 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 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 Martha Ryan's NPI number?
The NPI number for Martha Ryan is 1427443738. It was assigned to this individual provider in the NPPES registry on April 2, 2015.
Where is Martha Ryan located?
Martha Ryan practices at 622 Abbott St, Salinas, CA 93901. The listed phone number is (831) 771-3900.
What is Martha Ryan's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Martha Ryan enrolled in Medicare?
Yes. Martha Ryan 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 Martha Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Martha Ryan reassigns Medicare benefits to 2 organizations: Vantage Eye Center A Medical Corp (Salinas, CA) and Emergency And Acute Care Medical Corporation (San Diego, 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 Martha Ryan'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 Martha Ryan was last updated on May 17, 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.
# Ms. Martha Elizabeth Ryan, MD · NPI 1427443738
Ophthalmology physician in Salinas, California. Individual provider, active in the CMS NPPES registry since April 2, 2015.
## Identity
- **NPI:** 1427443738 (Entity type: Individual)
- **Enumerated:** April 2, 2015
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A161841 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 622 ABBOTT ST, Salinas, CA 93901-4315
- **Phone:** (831) 771-3900 · **Fax:** (831) 424-7835
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Vantage Eye Center A Medical Corp (NPI 1588765903, Salinas, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** May 17, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1427443738) · Data from the CMS NPPES public registry.