DR. DANIEL LEON MAISON MD
NPI 1700876018
Internal Medicine in Columbia, MD
About Dr. Daniel Leon Maison Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL LEON MAISON MD (NPI 1700876018) is an individual internal medicine provider in Columbia, Maryland, licensed in Maryland (D84710) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Houston, and is a graduate of Georgetown University School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Dr. Daniel Leon Maison Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Daniel Maison reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21045
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 20 clinicians in this Medicare group
Indianapolis, IN 46214
- Reassigned Medicare billing, Indiana enrollment
- 7 clinicians in this Medicare group
Rosemont, IL 60018
- Reassigned Medicare billing, Illinois enrollment
- 37 clinicians in this Medicare group
West Allis, WI 53214
- Reassigned Medicare billing, Wisconsin enrollment
- 20 clinicians in this Medicare group
Saint Paul, MN 55114
- Reassigned Medicare billing, Minnesota enrollment
- 7 clinicians in this Medicare group
Miami, FL 33137
- Reassigned Medicare billing, Florida enrollment
- 108 clinicians in this Medicare group
Irving, TX 75063
- Reassigned Medicare billing, Texas enrollment
- 29 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21045 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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLUMBIA, MD 21045
COLUMBIA, MD 21045
COLUMBIA, MD 21045
COLUMBIA, MD 21045
COLUMBIA, MD 21045
COLUMBIA, MD 21045
COLUMBIA, MD 21045
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 Daniel Maison's NPI number?
The NPI number for Daniel Maison is 1700876018. It was assigned to this individual provider in the NPPES registry on October 27, 2005.
Where is Daniel Maison located?
Daniel Maison practices at 5457 Twin Knolls Rd Ste 100, Columbia, MD 21045. The listed phone number is (410) 689-7400.
What is Daniel Maison's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Daniel Maison enrolled in Medicare?
Yes. Daniel Maison is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Daniel Maison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Maison reassigns Medicare benefits to 7 organizations: Seasons Medical Group Of Maryland PC (Columbia, MD), Seasons Medical Group Of Indiana, PC (Indianapolis, IN), Natarajan Medical Group Of Illinois, PC (Rosemont, IL), Accentcare Medical Group Of Wisconsin, S.C. (West Allis, WI), Accentcare Medical Group Of Minnesota, PC (Saint Paul, MN) and 2 more organizations, listed in the Medicare section above. 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 Daniel Maison'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 Daniel Maison was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Dr. Daniel Leon Maison, MD · NPI 1700876018
Internal Medicine physician in Columbia, Maryland. Individual provider, active in the CMS NPPES registry since October 27, 2005.
## Identity
- **NPI:** 1700876018 (Entity type: Individual)
- **Enumerated:** October 27, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D84710 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5457 TWIN KNOLLS RD STE 100, Columbia, MD 21045-3263
- **Phone:** (410) 689-7400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Seasons Medical Group Of Maryland PC (NPI 1376894931, Columbia, MD); Seasons Medical Group Of Indiana, PC (NPI 1861809451, Indianapolis, IN); Natarajan Medical Group Of Illinois, PC (NPI 1639430861, Rosemont, IL); Accentcare Medical Group Of Wisconsin, S.C. (NPI 1275976979, West Allis, WI); Accentcare Medical Group Of Minnesota, PC (NPI 1376387134, Saint Paul, MN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** December 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1700876018) · Data from the CMS NPPES public registry.