DR. REIKO KAYASHIMA JOHNSON MD
NPI 1811095094
Family Medicine in Somersworth, NH
About Dr. Reiko Kayashima Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. REIKO KAYASHIMA JOHNSON MD (NPI 1811095094) is an individual family medicine provider in Somersworth, New Hampshire, licensed in New Hampshire (14588) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Portsmouth, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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. Reiko Kayashima Johnson 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 Reiko Johnson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newington, NH 03801
- Reassigned Medicare billing, New Hampshire enrollment
- Medicare enrollment name: Appledore Medical Group Inc
- 185 clinicians in this Medicare group
Manchester, NH 03102
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1972559904 (New Hampshire)
- 199 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 2
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 03878 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.
SOMERSWORTH, NH 03878
SOMERSWORTH, NH 03878
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 Reiko Johnson's NPI number?
The NPI number for Reiko Johnson is 1811095094. It was assigned to this individual provider in the NPPES registry on September 20, 2006.
Where is Reiko Johnson located?
Reiko Johnson practices at 311 Route 108, Somersworth, NH 03878. The listed phone number is (603) 749-2346.
What is Reiko Johnson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Reiko Johnson enrolled in Medicare?
Yes. Reiko Johnson 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 Reiko Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Reiko Johnson reassigns Medicare benefits to 2 organizations: Appledore Medical Group Dba Woodbury Family Practice (Newington, NH) and Catholic Medical Center (Manchester, NH). 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 Reiko Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Reiko Johnson accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Taro Health list Reiko Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Reiko Johnson was last updated on May 17, 2022. 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.
# Dr. Reiko Kayashima Johnson, MD · NPI 1811095094
Family Medicine physician in Somersworth, New Hampshire. Individual provider, active in the CMS NPPES registry since September 20, 2006.
## Identity
- **NPI:** 1811095094 (Entity type: Individual)
- **Enumerated:** September 20, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 14588 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 311 ROUTE 108, Somersworth, NH 03878-1522
- **Phone:** (603) 749-2346 · **Fax:** (603) 953-0066
## 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): Appledore Medical Group Dba Woodbury Family Practice (NPI 1225232184, Newington, NH); Catholic Medical Center (NPI 1427154335, Manchester, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** May 17, 2022
- **Other identifiers:** Medicaid 3100828 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1811095094) · Data from the CMS NPPES public registry.