JOHN MICHAEL HALPHEN SR. M.D.
NPI 1639289978
Family Medicine - Geriatric Medicine in Bellaire, TX

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
82.38/100
CMS Quality Rating
6500 WEST LOOP S STE 200, BELLAIRE, TX 77401(713) 468-5150 Get Directions Write a Review

NPPES record last updated: June 7, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Michael Halphen Sr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MICHAEL HALPHEN SR. M.D. (NPI 1639289978) is an individual geriatric medicine provider in Bellaire, Texas, licensed in Texas (K3583) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (1995).

NPPES Registry Identity

NPI1639289978
Entity TypeIndividualMale
Primary Taxonomy207QG0300X
Provider Legal NameJOHN MICHAEL HALPHEN SR.Credential: M.D.
Location Address6500 WEST LOOP S STE 200Bellaire, TX 77401-3535
Mailing Address1608 Oakdale StHouston, TX 77004-5931 · (713) 515-2716
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1995
Enumeration DateAugust 30, 2006
Last NPPES UpdateJune 7, 2025
NPPES CertifiedJune 6, 2025
NPI 1639289978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
License Licensed in TX · K3583
Definition
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
6500 WEST LOOP S STE 200, Bellaire, TX 77401

Other Identifiers 2

Medicaid096577403TX
Other8W6316Bcbstx

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

John Michael Halphen Sr. 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.

PECOS PAC ID8729036967
PECOS Enrollment IDI20080423000230
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
45 services31 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
44 services44 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
22 services16 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
13 services13 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450068
Location6411 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

82.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.23
Promoting Interoperability100
Improvement Activities40
Cost58.5

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dietitian, Registered
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401
Student in an Organized Health Care Education/Training Program
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401
Surgery
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401
Dietitian, Registered (Nutrition, Metabolic)
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401
Nurse Practitioner (Family)
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401
Internal Medicine (Rheumatology)
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401
Dietitian, Registered
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401
Student in an Organized Health Care Education/Training Program
6500 WEST LOOP S STE 200
BELLAIRE, TX 77401

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 Halphen's NPI number?

The NPI number for John Halphen is 1639289978. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is John Halphen located?

John Halphen practices at 6500 West Loop S Ste 200, Bellaire, TX 77401. The listed phone number is (713) 468-5150.

What is John Halphen's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is John Halphen enrolled in Medicare?

Yes. John Halphen 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.

What insurance does John Halphen accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare and Oscar Insurance Company list John Halphen 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 John Halphen affiliated with any hospitals?

According to CMS data, John Halphen is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Hospital System and Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for John Halphen was last updated on June 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.