Doctor profile · Federal record

Dr. John Halphen, M.D.

Geriatric Medicine (Family Medicine) Physician (CMS: Geriatric Medicine) · Bellaire, TX

  • NPI 1639289978
  • Accepts Medicare
  • MIPS 81.3 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6500 West Loop S Ste 200
Bellaire, TX 774013535
(713) 468-5150
Mailing address
1608 Oakdale St
Houston, TX 770045931

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 7, 2025
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207QG0300X — NUCC code
State license (1)
Texas #K3583
Medicaid
TX #096577403

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639289978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
40
Distinct HCPCS
2
Medicare allowed
$7,337
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 22 22 $226
99214 Established patient office or other outpatient visit, 30-39 minutes 18 17 $131

In context: peer comparison

Among 1 peers in this city , average services per provider: 20. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
219
Patients
0
Total drug cost
$2,054
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 28 0 $245
Quetiapine Fumarate Generic 22 0 $399
Levothyroxine Sodium Generic 21 0 $242
Sertraline Hcl Generic 20 0 $162
Metoprolol Succinate Generic 19 0 $133
Atorvastatin Calcium Generic 18 0 $52
Simvastatin Generic 18 0 $29
Losartan Potassium Generic 17 0 $85
Amlodipine Besylate Generic 15 0 $28
Ezetimibe Generic 15 0 $470

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Halphen's medical specialty?
Dr. John Halphen practices Geriatric Medicine (Family Medicine) Physician in Bellaire, TX.
Where does Dr. John Halphen practice?
Dr. John Halphen practices at 6500 West Loop S Ste 200, Bellaire, TX 774013535. Office phone: 7134685150.
What is Dr. John Halphen's NPI?
Dr. John Halphen's National Provider Identifier (NPI) is 1639289978, issued by NPPES.
Does Dr. John Halphen accept Medicare assignment?
Yes. Dr. John Halphen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Halphen commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.