William Whissell, MD
NPI 1881603553 · Psychiatry Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Whissell, MD is a Psychiatry Physician provider in Atlanta, GA (NPI 1881603553).
Provider details
- NPI number
- 1881603553
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 048006 (GA)
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
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- 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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Benztropine Mesylate | 255 | 46 |
| Olanzapine | 241 | 37 |
| Risperidone | 239 | 44 |
| Fluoxetine Hcl | 205 | 40 |
| Paliperidone Palmitatebrand: Invega Sustenna | 194 | 20 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 166 | 26 |
| Aripiprazole | 163 | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$936 across 43 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
Additional practice locations (2)
- 1636 Connally DrEast Point, GA 30344-2558Phone: (404) 762-4042Fax: (404) 762-3114
- River Edge Behavioral Health175 Emery HighwayMacon, GA 31217-3692Phone: (478) 803-7700Fax: (478) 803-8596
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2019-09-16
Frequently asked questions
- What is William Whissell's NPI number?
- William Whissell's National Provider Identifier (NPI) is 1881603553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Whissell's specialty?
- William Whissell is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Whissell located?
- William Whissell's practice location on file with NPPES is The Center for Health and Rehabilitation, Atlanta, GA 30312.
- What is William Whissell's phone number?
- The practice phone number listed in the NPPES registry for William Whissell is (404) 665-8600.
- Does William Whissell accept Medicare?
- William Whissell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Whissell's NPI active?
- Yes — William Whissell's NPI (1881603553) is active in the NPPES registry as of the last update on 2019-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.