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DR. MARIA AUGUSTA SANTOS MONTENEGRO MD, PHD
NPI 1881313989
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in New Haven, CT

Active since August 23, 2022PECOS Enrolled
20 YORK STREET (YALE NEW HAVEN HOSPITAL), NEW HAVEN, CT 06510(858) 306-2510 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 14, 2026, Feb 18, 2025, Sep 16, 2024 and 2 more (5 updates tracked since 2022).

About Dr. Maria Augusta Santos Montenegro Md, Phd NPPES

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

DR. MARIA AUGUSTA SANTOS MONTENEGRO MD, PHD (NPI 1881313989) is an individual neurology with special qualifications in child neurology provider in New Haven, Connecticut, licensed in Connecticut (83149) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Diego.

NPPES Registry Identity

NPI1881313989
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameDR. MARIA AUGUSTA SANTOS MONTENEGROCredential: MD, PHD
Location Address20 YORK STREET (YALE NEW HAVEN HOSPITAL)New Haven, CT 06510
Mailing Address20 York Street (yale New Haven Hospital)New Haven, CT 06510 · (858) 309-6300
Phone(858) 306-2510
Sole ProprietorNo
Enumeration DateAugust 23, 2022
Last NPPES UpdateAugust 14, 20265 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1881313989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
Licenses✔ Licensed in CT · 83149✔ Licensed in CA · A199057
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
20 YORK STREET (YALE NEW HAVEN HOSPITAL), New Haven, CT 06510
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Secondary Practice Location 1

Location 1200 W Arbor DrSan Diego, CA 92103-9000 · Phone (800) 926-8273 · Fax (888) 539-8781

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maria Augusta Santos Montenegro Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Maria Santos Montenegro reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rady Children's Hospital San Diego
2,485 mi
Pediatrics
3020 CHILDRENS WAY
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 562 clinicians in this Medicare group
NPI 1669617197 (858) 966-5911
Regents Of The University Of California
2,487 mi
Neurology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 135 clinicians in this Medicare group
NPI 1649372673 (800) 926-8273

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Santos Montenegro's NPI number?

The NPI number for Maria Santos Montenegro is 1881313989. It was assigned to this individual provider in the NPPES registry on August 23, 2022.

Where is Maria Santos Montenegro located?

Maria Santos Montenegro practices at 20 York Street (yale New Haven Hospital), New Haven, CT 06510. The listed phone number is (858) 306-2510.

What is Maria Santos Montenegro's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Maria Santos Montenegro enrolled in Medicare?

Yes. Maria Santos Montenegro is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Santos Montenegro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Santos Montenegro reassigns Medicare benefits to 2 organizations: Rady Children's Hospital San Diego (San Diego, CA) and Regents Of The University Of California (San Diego, CA). 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 Maria Santos Montenegro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maria Santos Montenegro was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.