What is Andrew Melchioris's NPI number?

Andrew Melchioris's National Provider Identifier (NPI) is 1003655119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Andrew Melchioris's specialty?

Andrew Melchioris is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Andrew Melchioris located?

Andrew Melchioris's practice location on file with NPPES is 1620 W Harrison St, Chicago, IL 60612-3801.

What is Andrew Melchioris's phone number?

The practice phone number listed in the NPPES registry for Andrew Melchioris is (314) 942-5000.

Does Andrew Melchioris accept Medicare?

Andrew Melchioris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Andrew Melchioris's NPI active?

Yes — Andrew Melchioris's NPI (1003655119) is active in the NPPES registry as of the last update on 2024-05-20.

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Andrew Melchioris, MD, MBA

NPI 1003655119 · Internal Medicine Physician · Chicago, IL

Andrew Melchioris, MD, MBA is a Internal Medicine Physician provider in Chicago, IL (NPI 1003655119).

Provider details

NPI number: 1003655119
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD, MBA
Sex: Male
Sole proprietor: No
License: 125.083685 (IL)

Practice location

1620 W Harrison St

Chicago, IL 60612-3801

Phone: (314) 942-5000

Street-level locationGet directions

More IL providers

Mailing address

1620 W Harrison St

Chicago, IL 60612-3801

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 125.083685 (IL)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(57/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2024-05-20
Last updated: 2024-05-20
Certified: 2024-05-20

Frequently asked questions

What is Andrew Melchioris's NPI number?: Andrew Melchioris's National Provider Identifier (NPI) is 1003655119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Andrew Melchioris's specialty?: Andrew Melchioris is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Andrew Melchioris located?: Andrew Melchioris's practice location on file with NPPES is 1620 W Harrison St, Chicago, IL 60612-3801.
What is Andrew Melchioris's phone number?: The practice phone number listed in the NPPES registry for Andrew Melchioris is (314) 942-5000.
Does Andrew Melchioris accept Medicare?: Andrew Melchioris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Andrew Melchioris's NPI active?: Yes — Andrew Melchioris's NPI (1003655119) is active in the NPPES registry as of the last update on 2024-05-20.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions