DR. MICHAEL JOSEPH LEWIS MD
NPI 1780847533
Surgery - Pediatric Surgery in Baltimore, MD

Active since July 02, 2008PECOS EnrolledAccepts Medicare Assignment
1800 ORLEANS ST, BALTIMORE, MD 21287(410) 502-2037(410) 955-0737 Get Directions Write a Review

NPPES record last updated: April 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 10, 2025, Mar 19, 2025, Feb 4, 2025 and 2 more (5 updates tracked since 2021).

About Dr. Michael Joseph Lewis Md NPPES

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

DR. MICHAEL JOSEPH LEWIS MD (NPI 1780847533) is an individual pediatric surgery provider in Baltimore, Maryland, licensed in Maryland (D0102880) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1780847533
Entity TypeIndividualMale
Primary Taxonomy2086S0120X
Provider Legal NameDR. MICHAEL JOSEPH LEWISCredential: MD
Location Address1800 ORLEANS STBaltimore, MD 21287-0010
Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004 · (410) 933-2704
Fax(410) 955-0737
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 2, 2008
Last NPPES UpdateApril 10, 20255 updates tracked since enumeration
NPPES CertifiedApril 10, 2025
✔ NPI 1780847533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Pediatric SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0120X
License✔ Licensed in MD · D0102880
Definition
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
Also ListedThoracic Surgery (Cardiothoracic Vascular Surgery)Taxonomy 208G00000X · License C175438 (CA), D0102880 (MD)
1800 ORLEANS ST, Baltimore, MD 21287

Secondary Practice Location 1

Location 13020 Childrens WaySan Diego, CA 92123-4223 · Phone (858) 966-8030

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

Dr. Michael Joseph Lewis Md 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 ID6608029871
PECOS Enrollment IDI20251205002867
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

3

Medicare enrollment records show Michael Lewis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
600 N WOLFE ST
Baltimore, MD 21205
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
Multi-Specialty
37100 N GANTZEL RD STE 214
San Tan Valley, AZ 85140
  • Reassigned Medicare billing, Arizona enrollment
  • 188 clinicians in this Medicare group
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 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.

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.

Anesthesiology
1800 ORLEANS ST
BALTIMORE, MD 21287
Pediatrics
1800 ORLEANS ST
BALTIMORE, MD 21287
Internal Medicine (Gastroenterology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Surgery (Trauma Surgery)
1800 ORLEANS ST
BALTIMORE, MD 21287
Radiology (Neuroradiology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Physician Assistant
1800 ORLEANS ST
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
1800 ORLEANS ST
BALTIMORE, MD 21287
Nurse Practitioner (Family)
1800 ORLEANS ST
BALTIMORE, MD 21287

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 Michael Lewis's NPI number?

The NPI number for Michael Lewis is 1780847533. It was assigned to this individual provider in the NPPES registry on July 2, 2008.

Where is Michael Lewis located?

Michael Lewis practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 502-2037.

What is Michael Lewis's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.

Is Michael Lewis enrolled in Medicare?

Yes. Michael Lewis 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 Michael Lewis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lewis reassigns Medicare benefits to 3 organizations: Johns Hopkins University (Baltimore, MD), Banner Physician Super Specialists Arizona LLC (San Tan Valley, AZ) and Memorialcare Medical Foundation (Fountain Valley, CA). 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 Michael Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Lewis accept?

Health plans from Blue Cross Blue Shield of Arizona, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Oscar Health Plan, Inc. and UnitedHealthcare list Michael Lewis 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.

When was this NPI record last updated?

The NPPES record for Michael Lewis was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.