DR. SEANNA RAE GROB MD, MAS
NPI 1013262104
Ophthalmology - Ophthalmic Plastic and Reconstructive Surgery in Orange, CA
About Dr. Seanna Rae Grob Md, Mas NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEANNA RAE GROB MD, MAS (NPI 1013262104) is an individual ophthalmic plastic and reconstructive surgery provider in Orange, California, licensed in California (A148069) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of University Of California, San Diego School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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. Seanna Rae Grob Md, Mas 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
7Medicare enrollment records show Seanna Grob reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 85 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 113 clinicians in this Medicare group
Hayward, CA 94541
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1346287414 (California)
- 5 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 10
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 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Seanna Grob's NPI number?
The NPI number for Seanna Grob is 1013262104. It was assigned to this individual provider in the NPPES registry on July 16, 2012.
Where is Seanna Grob located?
Seanna Grob practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7183.
What is Seanna Grob's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Ophthalmic Plastic and Reconstructive Surgery, with taxonomy code 207WX0200X.
Is Seanna Grob enrolled in Medicare?
Yes. Seanna Grob 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 Seanna Grob's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seanna Grob reassigns Medicare benefits to 7 organizations: Regents Of The University Of California (Orange, CA), Regents Of The University Of California (Orange, CA), Optima Ophthalmic Medical Associates, Inc (Hayward, CA), University Of California Sfgh Medical Group (San Francisco, CA), Regents Of The University Of California (San Francisco, CA) and 2 more organizations, listed in the Medicare section above. 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 Seanna Grob'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 Seanna Grob was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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. Seanna Rae Grob, MD, MAS · NPI 1013262104
Ophthalmic Plastic and Reconstructive Surgery physician in Orange, California. Individual provider, active in the CMS NPPES registry since July 16, 2012.
## Identity
- **NPI:** 1013262104 (Entity type: Individual)
- **Enumerated:** July 16, 2012
- **Primary specialty:** Ophthalmology - Ophthalmic Plastic and Reconstructive Surgery · taxonomy 207WX0200X
- **State license:** A148069 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-7183
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1487602579, Orange, CA); Regents Of The University Of California (NPI 1871541953, Orange, CA); Optima Ophthalmic Medical Associates, Inc (NPI 1285837484, Hayward, CA); University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2012
## Record status
- **NPPES last updated:** February 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1013262104) · Data from the CMS NPPES public registry.