Delynn Williams, M.D.
NPI 1619915576 · Psychiatry Physician · Greenfield, IN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Delynn Williams, M.D. is a Psychiatry Physician provider in Greenfield, IN (NPI 1619915576).
Provider details
- NPI number
- 1619915576
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01057144 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonidine Hcl | 20 |
| Atomoxetine Hcl | 13 |
| Guanfacine Hclbrand: Guanfacine Hcl Er | 13 |
| Hydroxyzine Hcl | 13 |
| Risperidone | 13 |
| Trazodone Hcl | 13 |
| Escitalopram Oxalate | 13 |
| Aripiprazole | 11 |
| Bupropion Hclbrand: Bupropion Xl | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$144 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2010-10-11
Frequently asked questions
- What is Delynn Williams's NPI number?
- Delynn Williams's National Provider Identifier (NPI) is 1619915576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Delynn Williams's specialty?
- Delynn Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Delynn Williams located?
- Delynn Williams's practice location on file with NPPES is 120 W Mckenzie Rd, Greenfield, IN 46140-1072.
- What is Delynn Williams's phone number?
- The practice phone number listed in the NPPES registry for Delynn Williams is (317) 468-6200.
- Does Delynn Williams accept Medicare?
- Delynn Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Delynn Williams's NPI active?
- Yes — Delynn Williams's NPI (1619915576) is active in the NPPES registry as of the last update on 2010-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.