William Walters, D.O.
NPI 1699772442 · Psychiatry Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Walters, D.O. is a Psychiatry Physician provider in Grand Rapids, MI (NPI 1699772442).
Provider details
- NPI number
- 1699772442
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101011070 (MI)
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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Oxcarbazepine | 60 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 44 |
| Gabapentin | 44 |
| Sertraline Hcl | 42 |
| Quetiapine Fumarate | 40 |
| Trazodone Hcl | 36 |
| Fluoxetine Hcl | 36 |
| Hydroxyzine Hcl | 32 |
| Lorazepam | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$123 across 1 record (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
- 2005-07-07
- Last updated
- 2012-01-12
Frequently asked questions
- What is William Walters's NPI number?
- William Walters's National Provider Identifier (NPI) is 1699772442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Walters's specialty?
- William Walters is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Walters located?
- William Walters's practice location on file with NPPES is 1179 E Paris Ave Se, Grand Rapids, MI 49546-3682.
- What is William Walters's phone number?
- The practice phone number listed in the NPPES registry for William Walters is (616) 454-2004.
- Does William Walters accept Medicare?
- William Walters is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Walters's NPI active?
- Yes — William Walters's NPI (1699772442) is active in the NPPES registry as of the last update on 2012-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.