GIOVANNI A D'AMBROSIO M.D.
NPI 1598738510
Internal Medicine in Medford, MA

Q: What is Giovanni D'ambrosio's NPI number?

The NPI number for Giovanni D'ambrosio is 1598738510. It was assigned to this individual provider in the NPPES registry on February 9, 2006.

Q: What is Giovanni D'ambrosio's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since February 09, 2006PECOS EnrolledAccepts Medicare Assignment

26 CITY HALL MALL, INTERNAL MEDICINE, MEDFORD, MA 02155(781) 306-5323(781) 306-5387 Get Directions Write a Review

NPPES record last updated: November 16, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Giovanni A D'ambrosio M.d. NPPES

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

GIOVANNI A D'AMBROSIO M.D. (NPI 1598738510) is an individual internal medicine provider in Medford, Massachusetts, licensed in Massachusetts (48496) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1980).

NPPES Registry Identity

NPI1598738510

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameGIOVANNI A D'AMBROSIOCredential: M.D.

Location Address26 CITY HALL MALL, INTERNAL MEDICINEMedford, MA 02155-4754

Mailing Address147 Milk St, Provider Enrollment - 9th FloorBoston, MA 02109-4806 · (617) 559-8374

Phone(781) 306-5323

Fax(781) 306-5387

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1980

Enumeration DateFebruary 9, 2006

Last NPPES UpdateNovember 16, 2020

NPPES CertifiedNovember 16, 2020

✔ NPI 1598738510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MA · 48496

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

26 CITY HALL MALL, Medford, MA 02155

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Other Identifiers 4

Other048496MA · Tufts

OtherPM162MA · Harvard Pilgrim

OtherJ02194MA · Blue Cross

Medicaid3049418MA

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

Giovanni A D'ambrosio M.d. 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 ID6507812435

PECOS Enrollment IDI20050324000008

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 Reassignment

Medicare enrollment records show Giovanni D'ambrosio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Atrius Health, Inc.

Same address

Internal Medicine

26 CITY HALL MALL
Medford, MA 02155

Reassigned Medicare billing, Massachusetts enrollment
1,317 clinicians in this Medicare group

NPI 1447464102 (781) 306-5100

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 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.

132 services129 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02155 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.

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