DR. MARIA MICHELLE DIAZ M.D.
NPI 1013142959
Emergency Medicine in Derry, NH
About Dr. Maria Michelle Diaz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA MICHELLE DIAZ M.D. (NPI 1013142959) is an individual emergency medicine provider in Derry, New Hampshire, licensed in New Hampshire (LT3226) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with York Hospital, and maintains a secondary practice location in Nantucket.
NPPES Registry Identity
Specialties & Licenses
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Maria Michelle Diaz 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.
Areas of Expertise CMS Part B claims 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
York Hospital
Acute Care Hospitals · York, MECatholic Medical Center
Acute Care Hospitals · Manchester, NHBrattleboro Memorial Hospital
Acute Care Hospitals · Brattleboro, VTSpringfield Hospital
Critical Access Hospitals · Springfield, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03038 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.
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 Maria Diaz's NPI number?
The NPI number for Maria Diaz is 1013142959. It was assigned to this individual provider in the NPPES registry on May 21, 2009.
Where is Maria Diaz located?
Maria Diaz practices at 1 Parkland Dr, Derry, NH 03038. The listed phone number is (603) 421-2220.
What is Maria Diaz's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Maria Diaz enrolled in Medicare?
Yes. Maria 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.
What insurance does Maria Diaz accept?
Health plans from Molina Healthcare list Maria 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 Maria Diaz affiliated with any hospitals?
According to CMS data, Maria Diaz is affiliated with York Hospital, Catholic Medical Center, Brattleboro Memorial Hospital and Springfield Hospital.
When was this NPI record last updated?
The NPPES record for Maria Diaz was last updated on June 10, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
