Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIA SANTOS CHAFOYA NP
NPI 1235825951
Nurse Practitioner - Family in Boston, MA

Q: What is Maria Chafoya's NPI number?

The NPI number for Maria Chafoya is 1235825951. It was assigned to this individual provider in the NPPES registry on April 14, 2023.

Q: What is Maria Chafoya's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Maria Chafoya was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.

Active since April 14, 2023PECOS EnrolledAccepts Medicare Assignment

53 STATE ST STE 106, BOSTON, MA 02109(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Maria Santos Chafoya Np NPPES

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

MARIA SANTOS CHAFOYA NP (NPI 1235825951) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (RN2301604) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and maintains a secondary practice location in Worcester.

NPPES Registry Identity

NPI1235825951

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMARIA SANTOS CHAFOYACredential: NP

Location Address53 STATE ST STE 106Boston, MA 02109-2136

Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (888) 663-6331

Phone(888) 663-6331

Fax(415) 252-7176

Sole ProprietorNo

Medical School CMSOtherGraduated 2022

Enumeration DateApril 14, 2023

Last NPPES UpdateJune 22, 2026

NPPES CertifiedJune 22, 2026

✔ NPI 1235825951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in MA · RN2301604

53 STATE ST STE 106, Boston, MA 02109

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Secondary Practice Location 1

Location 1366 Shrewsbury StWorcester, MA 01604-4647 · Phone (508) 595-2700 · Fax (774) 221-5136

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Maria Santos Chafoya Np 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.

PECOS PAC ID6901268952

PECOS Enrollment IDI20230808003653

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.

Areas of Expertise CMS Part B claims 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

32 services31 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

29 services29 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

16 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

16 services16 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220163

Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02109 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MASS GENERAL BRIGHAM COMMUNITY PHYSICIANS INC.

Family Medicine

53 STATE ST STE 106
BOSTON, MA 02109

Suffolk County (617) 903-5000

ABBY STURMER PA-C

Physician Assistant

53 STATE ST STE 106
BOSTON, MA 02109

Suffolk County (888) 663-6331

MRS. SHANNON KURZESKI FNP-C

Nurse Practitioner

53 STATE ST STE 106
BOSTON, MA 02109

Suffolk County (888) 663-6331

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 Chafoya's NPI number?

The NPI number for Maria Chafoya is 1235825951. It was assigned to this individual provider in the NPPES registry on April 14, 2023.

Where is Maria Chafoya located?

Maria Chafoya practices at 53 State St Ste 106, Boston, MA 02109. The listed phone number is (888) 663-6331.

What is Maria Chafoya's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Maria Chafoya enrolled in Medicare?

Yes. Maria Chafoya 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 Chafoya accept?

Health plans from Anthem Blue Cross and Blue Shield list Maria Chafoya 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 Chafoya affiliated with any hospitals?

According to CMS data, Maria Chafoya is affiliated with Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Maria Chafoya was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.