Active NPI
John Michael Halphen Sr., M.D.
- Geriatric Medicine (Family Medicine) Physician
- Bellaire, TX
National Provider Identifier
1639289978
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Geriatric Medicine (Family Medicine) Physician
- License
- K3583
- Practice address
- 6500 West Loop S Ste 200
Bellaire, TX 77401-3535 - Phone
- (713) 468-5150
- NPI assigned
- Aug 30, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Geriatric Medicine (Family Medicine) Physician | 207QG0300X | K3583 | TX | Primary |
Addresses
Primary practice location
6500 West Loop S Ste 200
Bellaire, TX 77401-3535
Mailing address
1608 Oakdale St
Houston, TX 77004-5931
Phone (713) 515-2716
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 096577403 | Medicaid | TX | |
| 8W6316 | Other | BCBSTX |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Geriatric Medicine
- Education
- University of Texas Medical School at San Antonio, 1995
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
5656 Kelley St
Houston, TX 77026-1967
Phone (713) 566-4635
6410 Fannin St
Houston, TX 77030-3005
Hospital & facility affiliations
- Memorial Hermann - Texas Medical Center
- Memorial Hermann Hospital System
- Memorial Hermann Memorial City Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.11 of 100
- Quality
- 69.15
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 73.63
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| K3583 | TX | MD | Geriatric Medicine (Family Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ut Physicians | Current | Accepting new patients | |
| Ut Physicians | Current | Accepting new patients |
Locations
6500 West Loop S
Ste 200
Bellaire, TX 77401
Phone (713) 486-2900
5656 Kelley St
Ste 4
Houston, TX 77026
6410 Fannin St
Ste 500
Houston, TX 77030
Phone (713) 500-5714
6410 Fannin St
Ste 600
Houston, TX 77030
Phone (832) 325-7100
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Anesthesiology Physician
- Houston, TX
- NPI 1033157821
-
- Health Educator
- Houston, TX
- NPI 1316534472
Hospital & facility affiliations 16
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
- Houston, TX
- NPI 1437189115
Hospital
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1156896000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749254400000",
"number": "1639289978",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1608 OAKDALE ST",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770045931",
"telephone_number": "713-515-2716"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6500 WEST LOOP S STE 200",
"city": "BELLAIRE",
"state": "TX",
"postal_code": "774013535",
"telephone_number": "713-468-5150"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HALPHEN",
"first_name": "JOHN",
"middle_name": "MICHAEL",
"name_suffix": "Sr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-08-30",
"last_updated": "2025-06-07",
"certification_date": "2025-06-06",
"status": "A"
},
"taxonomies": [
{
"code": "207QG0300X",
"taxonomy_group": "",
"desc": "Family Medicine, Geriatric Medicine",
"state": "TX",
"license": "K3583",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "096577403",
"state": "TX"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBSTX",
"identifier": "8W6316",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Bellaire, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.