DR. DUSTYN BAKER M.D.
NPI 1689821704
Internal Medicine in Chicago, IL
About Dr. Dustyn Baker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DUSTYN BAKER M.D. (NPI 1689821704) is an individual internal medicine provider in Chicago, Illinois, licensed in California (A116987) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
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. Dustyn Baker 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.
Medicare Billing Reassignments
4Medicare enrollment records show Dustyn Baker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 60637
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 Dustyn Baker's NPI number?
The NPI number for Dustyn Baker is 1689821704. It was assigned to this individual provider in the NPPES registry on August 20, 2008.
Where is Dustyn Baker located?
Dustyn Baker practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-1000.
What is Dustyn Baker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Dustyn Baker enrolled in Medicare?
Yes. Dustyn Baker 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 Dustyn Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dustyn Baker reassigns Medicare benefits to 4 organizations: Inpatient Specialists Of California, PC (San Bernardino, CA), Sutter Valley Medical Foundation (Modesto, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA) and John Muir Physician Network (Walnut Creek, 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 Dustyn Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dustyn Baker was last updated on March 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Dustyn Baker, M.D. · NPI 1689821704
Internal Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since August 20, 2008.
## Identity
- **NPI:** 1689821704 (Entity type: Individual)
- **Enumerated:** August 20, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A116987 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5841 S MARYLAND AVE, Chicago, IL 60637-1447
- **Phone:** (773) 702-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Sutter Valley Medical Foundation (NPI 1669846986, Modesto, CA); John Muir Trauma Physicians Billing Service (NPI 1962551861, Walnut Creek, CA); John Muir Physician Network (NPI 1841407665, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** March 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1689821704) · Data from the CMS NPPES public registry.