MICHAEL HARRIS SIEGELMAN M.D.
NPI 1689757759
Internal Medicine in Houston, TX
About Michael Harris Siegelman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL HARRIS SIEGELMAN M.D. (NPI 1689757759) is an individual internal medicine provider in Houston, Texas, licensed in Texas (D3088) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Harris Health System, and maintains a secondary practice location in Houston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Michael Harris Siegelman 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 Reassignment
Medicare enrollment records show Michael Siegelman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Harris Health System
Acute Care Hospitals · Houston, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77004 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.
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.
HOUSTON, TX 77004
HOUSTON, TX 77004
HOUSTON, TX 77004
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 Siegelman's NPI number?
The NPI number for Michael Siegelman is 1689757759. It was assigned to this individual provider in the NPPES registry on October 23, 2006.
Where is Michael Siegelman located?
Michael Siegelman practices at 3601 N Macgregor Way, Houston, TX 77004. The listed phone number is (713) 873-4895.
What is Michael Siegelman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Siegelman enrolled in Medicare?
Yes. Michael Siegelman 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 Michael Siegelman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Siegelman reassigns Medicare benefits to Baylor College Of Medicine (Houston, TX). 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 Michael Siegelman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Siegelman accept?
Health plans from Blue Cross and Blue Shield of Texas list Michael Siegelman 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.
Is Michael Siegelman affiliated with any hospitals?
According to CMS data, Michael Siegelman is affiliated with Harris Health System.
When was this NPI record last updated?
The NPPES record for Michael Siegelman was last updated on June 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Michael Harris Siegelman, M.D. · NPI 1689757759
Internal Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since October 23, 2006.
## Identity
- **NPI:** 1689757759 (Entity type: Individual)
- **Enumerated:** October 23, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D3088 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 N MACGREGOR WAY, Houston, TX 77004-8004
- **Phone:** (713) 873-4895
## 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:** Baylor College Of Medicine (NPI 1053352914, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1961
## Record status
- **NPPES last updated:** June 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1689757759) · Data from the CMS NPPES public registry.