Delwin Williams, MD
NPI 1942257209 · Psychiatry Physician · Fort Worth, TX
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Delwin Williams, MD is a Psychiatry Physician provider in Fort Worth, TX (NPI 1942257209).
Provider details
- NPI number
- 1942257209
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H2903 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
64 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 34 | $167 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 15 | $80 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 15 | $119 |
Typical Medicare-allowed amounts for these services range $80–$167 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buspirone Hcl | 105 | 17 |
| Aripiprazole | 77 | — |
| Olanzapine | 65 | — |
| Trazodone Hcl | 60 | — |
| Benztropine Mesylate | 53 | — |
| Doxepin Hcl | 48 | — |
| Duloxetine Hcl | 47 | — |
| Hydroxyzine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-30
- Last updated
- 2011-09-27
Frequently asked questions
- What is Delwin Williams's NPI number?
- Delwin Williams's National Provider Identifier (NPI) is 1942257209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Delwin Williams's specialty?
- Delwin Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Delwin Williams located?
- Delwin Williams's practice location on file with NPPES is 855 Montgomery St, Fort Worth, TX 76107-2553.
- What is Delwin Williams's phone number?
- The practice phone number listed in the NPPES registry for Delwin Williams is (817) 927-3638.
- Does Delwin Williams accept Medicare?
- Delwin Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Delwin Williams's NPI active?
- Yes — Delwin Williams's NPI (1942257209) is active in the NPPES registry as of the last update on 2011-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.