CALEB EVERETT NANNES M.D.
NPI 1275832560
Internal Medicine in Oak Bluffs, MA
About Caleb Everett Nannes M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALEB EVERETT NANNES M.D. (NPI 1275832560) is an individual internal medicine provider in Oak Bluffs, Massachusetts, licensed in Massachusetts (262591) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with Martha's Vineyard Hospital Inc, and is a graduate of University Of Maryland School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
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
Caleb Everett Nannes M.d. 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 Caleb Nannes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Bluffs, MA 02557
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1194866210 (Massachusetts)
- 184 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Martha's Vineyard Hospital Inc
Critical Access Hospitals · Oak Bluffs, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02557 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.
OAK BLUFFS, MA 02557
OAK BLUFFS, MA 02557
OAK BLUFFS, MA 02557
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 Caleb Nannes's NPI number?
The NPI number for Caleb Nannes is 1275832560. It was assigned to this individual provider in the NPPES registry on March 25, 2011.
Where is Caleb Nannes located?
Caleb Nannes practices at 1 Hospital Rd, Oak Bluffs, MA 02557. The listed phone number is (508) 684-4500.
What is Caleb Nannes's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Caleb Nannes enrolled in Medicare?
Yes. Caleb Nannes 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 Caleb Nannes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caleb Nannes reassigns Medicare benefits to Martha's Vineyard Hospital, Inc. (Oak Bluffs, MA). 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 Caleb Nannes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Caleb Nannes affiliated with any hospitals?
According to CMS data, Caleb Nannes is affiliated with Martha's Vineyard Hospital Inc.
When was this NPI record last updated?
The NPPES record for Caleb Nannes was last updated on February 9, 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.
# Caleb Everett Nannes, M.D. · NPI 1275832560
Internal Medicine physician in Oak Bluffs, Massachusetts. Individual provider, active in the CMS NPPES registry since March 25, 2011.
## Identity
- **NPI:** 1275832560 (Entity type: Individual)
- **Enumerated:** March 25, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 262591 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 HOSPITAL RD, Oak Bluffs, MA 02557-1406
- **Phone:** (508) 684-4500
## 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:** Martha's Vineyard Hospital, Inc. (NPI 1134206386, Oak Bluffs, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** February 9, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1275832560) · Data from the CMS NPPES public registry.