DR. KARINNET MONTERO DIAZ MD
NPI 1639811698
Internal Medicine in Salisbury, MD
About Dr. Karinnet Montero Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARINNET MONTERO DIAZ MD (NPI 1639811698) is an individual internal medicine provider in Salisbury, Maryland, licensed in Maryland (D0104084) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Tidalhealth Peninsula Regional, Inc, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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. Karinnet Montero Diaz 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 Reassignment
Medicare enrollment records show Karinnet Montero Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Salisbury, MD 21801
- Reassigned Medicare billing, Maryland enrollment
- 81 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.
Tidalhealth Peninsula Regional, Inc
Acute Care Hospitals · Salisbury, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21801 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.
SALISBURY, MD 21801
SALISBURY, MD 21801
SALISBURY, MD 21801
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 Karinnet Montero Diaz's NPI number?
The NPI number for Karinnet Montero Diaz is 1639811698. It was assigned to this individual provider in the NPPES registry on April 11, 2022.
Where is Karinnet Montero Diaz located?
Karinnet Montero Diaz practices at 100 E Carroll St, Salisbury, MD 21801. The listed phone number is (410) 546-6400.
What is Karinnet Montero Diaz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Karinnet Montero Diaz enrolled in Medicare?
Yes. Karinnet Montero Diaz 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 Karinnet Montero Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karinnet Montero Diaz reassigns Medicare benefits to Tidalhealth Primary Care, LLC (Salisbury, MD). 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 Karinnet Montero Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karinnet Montero Diaz accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next list Karinnet Montero Diaz 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.
Is Karinnet Montero Diaz affiliated with any hospitals?
According to CMS data, Karinnet Montero Diaz is affiliated with Tidalhealth Peninsula Regional, Inc.
When was this NPI record last updated?
The NPPES record for Karinnet Montero Diaz was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Karinnet Montero Diaz, MD · NPI 1639811698
Internal Medicine physician in Salisbury, Maryland. Individual provider, active in the CMS NPPES registry since April 11, 2022.
## Identity
- **NPI:** 1639811698 (Entity type: Individual)
- **Enumerated:** April 11, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0104084 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 E CARROLL ST, Salisbury, MD 21801-5422
- **Phone:** (410) 546-6400
## 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:** Tidalhealth Primary Care, LLC (NPI 1104453208, Salisbury, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639811698) · Data from the CMS NPPES public registry.