DR. JOHN ROBERT MACK D.C.
NPI 1235276221
Chiropractor in White Bear Lake, MN
About Dr. John Robert Mack D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ROBERT MACK D.C. (NPI 1235276221) is an individual chiropractor in White Bear Lake, Minnesota, licensed in Minnesota (4261) and active in the NPI registry since January 2007. He is a graduate of Northwestern College Of Chiropractic (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. John Robert Mack D.c. 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 Reassignment
Medicare enrollment records show John Mack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
White Bear Lake, MN 55110
- Reassigned Medicare billing, Minnesota enrollment
- 4 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Mack's NPI number?
The NPI number for John Mack is 1235276221. It was assigned to this individual provider in the NPPES registry on January 31, 2007.
Where is John Mack located?
John Mack practices at 935 Wildwood Rd, White Bear Lake, MN 55115. The listed phone number is (651) 779-4263.
What is John Mack's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Mack enrolled in Medicare?
Yes. John Mack 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 organization bills Medicare for John Mack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mack reassigns Medicare benefits to Hmms Holdings, PLLC (White Bear Lake, MN). The 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 John Mack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Mack accept?
Health plans from HealthPartners list John Mack 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 John Mack was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. John Robert Mack, D.C. · NPI 1235276221
Chiropractor provider in White Bear Lake, Minnesota. Individual provider, active in the CMS NPPES registry since January 31, 2007.
## Identity
- **NPI:** 1235276221 (Entity type: Individual)
- **Enumerated:** January 31, 2007
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 4261 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 935 WILDWOOD RD, White Bear Lake, MN 55115-1847
- **Phone:** (651) 779-4263 · **Fax:** (651) 779-4274
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Hmms Holdings, PLLC (NPI 1326773748, White Bear Lake, MN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern College Of Chiropractic, class of 2001
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicare UPIN U90913 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1235276221) · Data from the CMS NPPES public registry.