MRS. MARGARET ANN DELMASTRO RNP
NPI 1043533110
Nurse Practitioner - Family in Orange, CA

Active since March 03, 2010PECOS Enrolled
1100 W STEWART DR, ORANGE, CA 92868(714) 734-6268(714) 734-6231 Get Directions Write a Review

NPPES record last updated: December 4, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mrs. Margaret Ann Delmastro Rnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARGARET ANN DELMASTRO RNP (NPI 1043533110) is an individual family provider in Orange, California, licensed in California (221014) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043533110
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. MARGARET ANN DELMASTROCredential: RNP
Location Address1100 W STEWART DROrange, CA 92868-3849
Mailing Address14692 Buckingham PlTustin, CA 92780-6615 · (714) 734-6268 · Fax (714) 734-6231
Fax(714) 734-6231
Sole ProprietorNo
Enumeration DateMarch 3, 2010
Last NPPES UpdateDecember 4, 2014
NPI 1043533110 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in CA · 221014
Also ListedRegistered NurseTaxonomy 163W00000X · License 221014 (CA)
1100 W STEWART DR, Orange, CA 92868

Medicare Participation & PECOS Enrollment Status

Margaret Delmastro is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Durable Medical Equipment (DME) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 92868 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $96.36
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $24.09
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $109.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $27.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
1100 W STEWART DR
ORANGE, CA 92868
Psychiatry & Neurology (Psychiatry)
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Pathology (Anatomic Pathology & Clinical Pathology)
1100 W STEWART DR, SJH-DEPT. OF PATHOLOGY
ORANGE, CA 92868
Nurse Practitioner (Adult Health)
1100 W STEWART DR
ORANGE, CA 92868
Pathology (Anatomic Pathology & Clinical Pathology)
1100 W STEWART DR
ORANGE, CA 92868
Nurse Practitioner (Adult Health)
1100 W STEWART DR, SEB, 2ND FLOOR
ORANGE, CA 92868
Transplant Surgery
1100 W STEWART DR, SEB, 2ND FLOOR
ORANGE, CA 92868
Emergency Medicine
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Specialist/Technologist (Athletic Trainer)
1100 W STEWART DR
ORANGE, CA 92868
Anesthesiology
1100 W STEWART DR
ORANGE, CA 92868
Physician Assistant
1100 W STEWART DR
ORANGE, CA 92868

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043533110, enumerated as an "individual" on March 03, 2010.

The provider is located at 1100 W STEWART DR ORANGE, CA 92868 and the phone number is (714) 734-6268.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.