LAZARO ANDRES DIAZ MD
NPI 1164495230
Internal Medicine - Interventional Cardiology in Exeter, NH
About Lazaro Andres Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAZARO ANDRES DIAZ MD (NPI 1164495230) is an individual interventional cardiology provider in Exeter, New Hampshire, licensed in Florida (ME84603) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Lakeland Regional Medical Center, and maintains a secondary practice location in Lakeland.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Lazaro Andres 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 Reassignments
9Medicare enrollment records show Lazaro Diaz reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 395 clinicians in this Medicare group
North Hampton, NH 03862
- Reassigned Medicare billing, New Hampshire enrollment
- 185 clinicians in this Medicare group
Seaford, DE 19973
- Reassigned Medicare billing, Delaware enrollment
- 179 clinicians in this Medicare group
Salisbury, MD 21801
- Reassigned Medicare billing, Delaware enrollment
- 58 clinicians in this Medicare group
Parkersburg, WV 26101
- Reassigned Medicare billing, West Virginia enrollment
- 461 clinicians in this Medicare group
Princeton, WV 24740
- Reassigned Medicare billing, West Virginia enrollment
- 280 clinicians in this Medicare group
Birmingham, AL 35243
- Reassigned Medicare billing, Alabama enrollment
- 52 clinicians in this Medicare group
Lakeland, FL 33805
- Reassigned Medicare billing, Florida enrollment
- 417 clinicians in this Medicare group
Tampa, FL 33613
- Reassigned Medicare billing, Florida enrollment
- 59 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 24
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeland Regional Medical Center
Acute Care Hospitals · Lakeland, FLPrinceton Community Hospital
Acute Care Hospitals · Princeton, WVCamden Clark Medical Center
Acute Care Hospitals · Parkersburg, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03833 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EXETER, NH 03833
EXETER, NH 03833
EXETER, NH 03833
EXETER, NH 03833
EXETER, NH 03833
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 Lazaro Diaz's NPI number?
The NPI number for Lazaro Diaz is 1164495230. It was assigned to this individual provider in the NPPES registry on February 9, 2006.
Where is Lazaro Diaz located?
Lazaro Diaz practices at 3 Alumni Dr Ste 101, Exeter, NH 03833. The listed phone number is (603) 773-9992.
What is Lazaro Diaz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Lazaro Diaz enrolled in Medicare?
Yes. Lazaro 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 organizations bill Medicare for Lazaro Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lazaro Diaz reassigns Medicare benefits to 9 organizations: Core Physicians, LLC (Exeter, NH), Appledore Medical Group, Inc. (North Hampton, NH), Tidalhealth Physician Network, Inc. (Seaford, DE), Tidalhealth Specialty Care, LLC (Salisbury, MD), Camden-Clark Physician Corporation (Parkersburg, WV) and 4 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 Lazaro Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lazaro Diaz accept?
Health plans from AmeriHealth Caritas Next, Anthem Blue Cross and Blue Shield, CareSource, Cigna HealthCare of Florida, Inc. and Cigna Healthcare and 4 other insurers list Lazaro 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 Lazaro Diaz affiliated with any hospitals?
According to CMS data, Lazaro Diaz is affiliated with Lakeland Regional Medical Center, Princeton Community Hospital and Camden Clark Medical Center.
When was this NPI record last updated?
The NPPES record for Lazaro Diaz was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Lazaro Andres Diaz, MD · NPI 1164495230
Interventional Cardiology physician in Exeter, New Hampshire. Individual provider, active in the CMS NPPES registry since February 9, 2006.
## Identity
- **NPI:** 1164495230 (Entity type: Individual)
- **Enumerated:** February 9, 2006
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** ME84603 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 3 ALUMNI DR STE 101, Exeter, NH 03833-2122
- **Phone:** (603) 773-9992 · **Fax:** (603) 778-6393
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Core Physicians, LLC (NPI 1336330588, Exeter, NH); Appledore Medical Group, Inc. (NPI 1174512693, North Hampton, NH); Tidalhealth Physician Network, Inc. (NPI 1467534636, Seaford, DE); Tidalhealth Specialty Care, LLC (NPI 1619504735, Salisbury, MD); Camden-Clark Physician Corporation (NPI 1710125430, Parkersburg, WV); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1995
## Record status
- **NPPES last updated:** August 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164495230) · Data from the CMS NPPES public registry.