Doctor profile · Federal record

Dr. William Haren, MD

Psychiatry Physician (CMS: Psychiatry) · Internal Medicine Physician · Internal Medicine Physician · Psychiatry Physician · Psychiatry Physician · Houston, TX

  • NPI 1558479410
  • Accepts Medicare
  • 29 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
6550 Fannin St Ste 2509
Houston, TX 770302777
(326) 238-2040
Additional location
171 Ashley Ave
Charleston, SC 294258908
(843) 792-1414
Additional location
701 Grove RD
Greenville, SC 296054210
(864) 455-7000
Show 1 more location
Additional location
2525 DeSales Ave
Chattanooga, TN 374041161
(423) 495-2525
fax (423) 495-2625

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 20, 2023
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (3)
Texas #P9869 · South Carolina #20889 · Tennessee #36463

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558479410. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
106
Distinct HCPCS
2
Medicare allowed
$13,456
HCPCS Description Services Patients Avg allowed
90792 Psychiatric diagnostic evaluation with medical services 62 51 $165
G0407 Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth 44 20 $73

In context: peer comparison

Among 88 peers in Houston Psychiatry Physician, average services per provider: 167. This provider delivers 0.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Haren's medical specialty?
Dr. William Haren practices Psychiatry Physician in Houston, TX.
Where does Dr. William Haren practice?
Dr. William Haren practices at 6550 Fannin St Ste 2509, Houston, TX 770302777. Office phone: 3262382040.
What is Dr. William Haren's NPI?
Dr. William Haren's National Provider Identifier (NPI) is 1558479410, issued by NPPES.
Does Dr. William Haren accept Medicare assignment?
Yes. Dr. William Haren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Haren commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth (HCPCS G0407). Source: CMS Medicare Physician & Other Practitioners file.