INGRID LONG YUN MA NP
NPI 1689339574
Nurse Practitioner - Gerontology in Boston, MA

Active since November 04, 2021PECOS EnrolledAccepts Medicare Assignment
801 MASSACHUSETTS AVE, SUITE 6A, CROSSTOWN BLDG, BOSTON, MA 02118(617) 414-5951(617) 414-9201 Get Directions Write a Review

NPPES record last updated: August 14, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2024, May 25, 2023, Nov 4, 2021 (3 updates tracked since 2021).

About Ingrid Long Yun Ma Np NPPES

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

INGRID LONG YUN MA NP (NPI 1689339574) is an individual gerontology provider in Boston, Massachusetts, licensed in Massachusetts (RN2337453) and active in the NPI registry since November 2021. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1689339574
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameINGRID LONG YUN MACredential: NP
Location Address801 MASSACHUSETTS AVE, SUITE 6A, CROSSTOWN BLDGBoston, MA 02118
Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690
Fax(617) 414-9201
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateNovember 4, 2021
Last NPPES UpdateAugust 14, 20243 updates tracked since enumeration
NPPES CertifiedAugust 12, 2024
✔ NPI 1689339574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in MA · RN2337453
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License RN2337453 (MA)
801 MASSACHUSETTS AVE, Boston, MA 02118

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

Ingrid Long Yun Ma 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 ID5496111940
PECOS Enrollment IDI20230525001633
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 Ingrid Ma reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1 BOSTON MEDICAL CTR PL
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 573 clinicians in this Medicare group
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 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.

Hospital Affiliations CMS Care Compare

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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 20

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

Internal Medicine
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE
BOSTON, MA 02118
Counselor (Mental Health)
801 MASSACHUSETTS AVE
BOSTON, MA 02118
Internal Medicine
801 MASSACHUSETTS AVE, SUITE 5A, CROSSTOWN BLDG
BOSTON, MA 02118
Internal Medicine (Hospice and Palliative Medicine)
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118
Community Health Worker
801 MASSACHUSETTS AVE
BOSTON, MA 02118
Internal Medicine
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118
Internal Medicine
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118

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 Ingrid Ma's NPI number?

The NPI number for Ingrid Ma is 1689339574. It was assigned to this individual provider in the NPPES registry on November 4, 2021.

Where is Ingrid Ma located?

Ingrid Ma practices at 801 Massachusetts Ave Suite 6A, Crosstown Bldg, Boston, MA 02118. The listed phone number is (617) 414-5951.

What is Ingrid Ma's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Ingrid Ma enrolled in Medicare?

Yes. Ingrid Ma 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 Ingrid Ma's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ingrid Ma reassigns Medicare benefits to 2 organizations: Evans Medical Foundation, Inc. (Boston, MA) and Brigham & Womens Physicians Organization Inc (Boston, MA). 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 Ingrid Ma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ingrid Ma accept?

Health plans from Taro Health list Ingrid Ma 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 Ingrid Ma affiliated with any hospitals?

According to CMS data, Ingrid Ma is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Ingrid Ma was last updated on August 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.