ANA PAULA ABREU METZGER M.D., PHD
NPI 1548632359
Internal Medicine - Endocrinology, Diabetes & Metabolism in Boston, MA

Active since October 20, 2015PECOS EnrolledAccepts Medicare Assignment
15 PARKMAN ST, BOSTON, MA 02114(617) 726-8720 Get Directions Write a Review

NPPES record last updated: August 16, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 16, 2026, May 29, 2026, Mar 12, 2025 and 1 more (4 updates tracked since 2019).

About Ana Paula Abreu Metzger M.d., Phd NPPES

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

ANA PAULA ABREU METZGER M.D., PHD (NPI 1548632359) is an individual endocrinology, diabetes & metabolism provider in Boston, Massachusetts, licensed in Massachusetts (278222) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1548632359
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameANA PAULA ABREU METZGERCredential: M.D., PHD
Location Address15 PARKMAN STBoston, MA 02114-3117
Mailing Address221 Longwood Ave, Brigham And Women's HospitalBoston, MA 02115 · (617) 732-5666
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateOctober 20, 2015
Last NPPES UpdateAugust 16, 20264 updates tracked since enumeration
NPPES CertifiedAugust 16, 2026
✔ NPI 1548632359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MA · 278222
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
15 PARKMAN ST, Boston, MA 02114

Other Names 1

Professional Name (2)Ana Paula Abreu Metzger M.d., Phd

Secondary Practice Locations 2

Location 1221 Longwood AveBoston, MA 02115-5804 · Phone (617) 732-5666
Location 275 Francis StBoston, MA 02115-6110 · Phone (617) 732-5500

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

Ana Paula Abreu Metzger M.d., Phd 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 ID8729370457
PECOS Enrollment IDI20190517001803
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 Ana Paula Abreu Metzger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 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.

Areas of Expertise CMS Part B claims

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 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.
14 services13 patients

Hospital Affiliations CMS Care Compare

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

Nurse Practitioner (Adult Health)
15 PARKMAN ST, WAC 440
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Geriatric Psychiatry)
15 PARKMAN ST, PSYCHIATRY OUTPATIENT DEPARTMENT WAC 812
BOSTON, MA 02114
Physical Therapist (Neurology)
15 PARKMAN ST, ROOM 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST, WACC 134
BOSTON, MA 02114
Physical Therapist
15 PARKMAN ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
15 PARKMAN ST, WAC 8 PSYCHIATRY OUTPATIENT DEPARTMENT
BOSTON, MA 02114

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 Ana Paula Abreu Metzger's NPI number?

The NPI number for Ana Paula Abreu Metzger is 1548632359. It was assigned to this individual provider in the NPPES registry on October 20, 2015. The provider is also known as Ana Paula Abreu Metzger M.D., Phd.

Where is Ana Paula Abreu Metzger located?

Ana Paula Abreu Metzger practices at 15 Parkman St, Boston, MA 02114. The listed phone number is (617) 726-8720.

What is Ana Paula Abreu Metzger's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Ana Paula Abreu Metzger enrolled in Medicare?

Yes. Ana Paula Abreu Metzger 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 Ana Paula Abreu Metzger's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ana Paula Abreu Metzger reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization 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 Ana Paula Abreu Metzger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ana Paula Abreu Metzger affiliated with any hospitals?

According to CMS data, Ana Paula Abreu Metzger is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Ana Paula Abreu Metzger was last updated on August 16, 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.