DR. STEPHEN ALEXANDER HARDING M.D.
NPI 1205239332
Emergency Medicine in Houston, TX

Active since October 03, 2014PECOS EnrolledAccepts Medicare Assignment
84.05/100
CMS Quality Rating
6621 FANNIN ST, HOUSTON, TX 77030(832) 824-1000 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 10, 2025, Feb 14, 2023, May 2, 2018 and 1 more (4 updates tracked since 2016).

About Dr. Stephen Alexander Harding M.d. NPPES

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

DR. STEPHEN ALEXANDER HARDING M.D. (NPI 1205239332) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (R7754) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS, is affiliated with Harris Health System, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1205239332
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. STEPHEN ALEXANDER HARDINGCredential: M.D.
Location Address6621 FANNIN STHouston, TX 77030-2358
Mailing Address6621 Fannin St Ste A210Houston, TX 77030-2358 · (832) 824-1000
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2013
Enumeration DateOctober 3, 2014
Last NPPES UpdateOctober 10, 20254 updates tracked since enumeration
NPPES CertifiedOctober 10, 2025
NPI 1205239332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in TX · R7754 Licensed in NY · 286783-1
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License 286783-1 (NY)
Also ListedPediatrics · Medical ToxicologyTaxonomy 2080T0002X · License 286783-1 (NY)
6621 FANNIN ST, Houston, TX 77030

Secondary Practice Locations 3

Location 1455 1st AveNew York, NY 10016-9102 · Phone (713) 818-6043
Location 27200 Cambridge StHouston, TX 77030-4202 · Phone (713) 798-2400
Location 36720 Bertner AveHouston, TX 77030-2604 · Phone (832) 355-2666

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

Dr. Stephen Alexander Harding 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 ID4688967862
PECOS Enrollment IDI20180815000588
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

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
18 services18 patients

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, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450289
Location2525 Holly HallHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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.

84.05/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.49
Improvement Activities40
Cost54.39

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.

Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Emergency Medicine)
6621 FANNIN ST
HOUSTON, TX 77030
Physical Therapist
6621 FANNIN ST
HOUSTON, TX 77030
Physician Assistant
6621 FANNIN ST
HOUSTON, TX 77030
Anesthesiology
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Endocrinology)
6621 FANNIN ST
HOUSTON, TX 77030
Pediatrics (Pediatric Hematology-Oncology)
6621 FANNIN ST, MC 3-3320
HOUSTON, TX 77030

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 Stephen Harding's NPI number?

The NPI number for Stephen Harding is 1205239332. It was assigned to this individual provider in the NPPES registry on October 3, 2014.

Where is Stephen Harding located?

Stephen Harding practices at 6621 Fannin St, Houston, TX 77030. The listed phone number is (832) 824-1000.

What is Stephen Harding's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Stephen Harding enrolled in Medicare?

Yes. Stephen Harding 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 Stephen Harding accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Moda Health Plan, Inc., Molina Healthcare and UnitedHealthcare list Stephen Harding 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 Stephen Harding affiliated with any hospitals?

According to CMS data, Stephen Harding is affiliated with Harris Health System.

When was this NPI record last updated?

The NPPES record for Stephen Harding was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.