William Haren, MD
NPI 1558479410 · Psychiatry Physician · Houston, TX
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Haren, MD is a Psychiatry Physician provider in Houston, TX (NPI 1558479410).
Provider details
- NPI number
- 1558479410
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P9869 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
120 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 81 | $167 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 25 | $112 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 14 | $173 |
Typical Medicare-allowed amounts for these services range $112–$173 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (3)
- 171 Ashley AveCharleston, SC 29425-8908Phone: (843) 792-1414
- 701 Grove RdGreenville, SC 29605-4210Phone: (864) 455-7000
- 2525 Desales AveChattanooga, TN 37404-1161Phone: (423) 495-2525Fax: (423) 495-2625
Registry dates
- Enumerated
- 2006-08-29
- Last updated
- 2023-01-20
- Certified
- 2023-01-20
Frequently asked questions
- What is William Haren's NPI number?
- William Haren's National Provider Identifier (NPI) is 1558479410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Haren's specialty?
- William Haren is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Haren located?
- William Haren's practice location on file with NPPES is 6550 Fannin St Ste 2509, Houston, TX 77030-2777.
- What is William Haren's phone number?
- The practice phone number listed in the NPPES registry for William Haren is (326) 238-2040.
- Does William Haren accept Medicare?
- William Haren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Haren's NPI active?
- Yes — William Haren's NPI (1558479410) is active in the NPPES registry as of the last update on 2023-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.