MARK FRANCIS MD
NPI 1104356039
Hospitalist in Chicago, IL
About Mark Francis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK FRANCIS MD (NPI 1104356039) is an individual hospitalist provider in Chicago, Illinois, licensed in California (A175252) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in San Diego.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Mark Francis 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.
Medicare Billing Reassignments
3Medicare enrollment records show Mark Francis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Regents Of The University Of California
- 1,051 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 2
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHICAGO, IL 60612
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 Mark Francis's NPI number?
The NPI number for Mark Francis is 1104356039. It was assigned to this individual provider in the NPPES registry on June 13, 2017.
Where is Mark Francis located?
Mark Francis practices at 1650 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 942-5000.
What is Mark Francis's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mark Francis enrolled in Medicare?
Yes. Mark Francis 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 Mark Francis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Francis reassigns Medicare benefits to 3 organizations: Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA), Steward Medical Group, Inc (Watertown, MA) and Regents Of The University Of California - Ucsd Medical Group (San Diego, 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 Mark Francis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Francis affiliated with any hospitals?
According to CMS data, Mark Francis is affiliated with Massachusetts General Hospital and Newton-Wellesley Hospital.
When was this NPI record last updated?
The NPPES record for Mark Francis was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mark Francis, MD · NPI 1104356039
Hospitalist physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since June 13, 2017.
## Identity
- **NPI:** 1104356039 (Entity type: Individual)
- **Enumerated:** June 13, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A175252 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1650 W HARRISON ST, Chicago, IL 60612-3800
- **Phone:** (312) 942-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); Steward Medical Group, Inc (NPI 1629398219, Watertown, MA); Regents Of The University Of California - Ucsd Medical Group (NPI 1336267137, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 2017
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1104356039) · Data from the CMS NPPES public registry.