Carol Vanderzwaag, M.D
NPI 1215161492 · Psychiatry Physician · Raleigh, NC
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carol Vanderzwaag, M.D is a Psychiatry Physician provider in Raleigh, NC (NPI 1215161492).
Provider details
- NPI number
- 1215161492
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 34487 (NC)
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
17 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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Benztropine Mesylate | 88 | 18 |
| Olanzapine | 70 | 15 |
| Risperidone | 64 | — |
| Aripiprazolebrand: Abilify Maintena | 50 | — |
| Paliperidonebrand: Paliperidone Er | 48 | — |
| Divalproex Sodium | 47 | — |
| Lithium Carbonate | 44 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$200 across 10 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
- 2009-05-04
- Last updated
- 2021-07-01
- Certified
- 2021-07-01
Frequently asked questions
- What is Carol Vanderzwaag's NPI number?
- Carol Vanderzwaag's National Provider Identifier (NPI) is 1215161492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Vanderzwaag's specialty?
- Carol Vanderzwaag is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Carol Vanderzwaag located?
- Carol Vanderzwaag's practice location on file with NPPES is 5509 Creedmoor Rd, Raleigh, NC 27612-6312.
- What is Carol Vanderzwaag's phone number?
- The practice phone number listed in the NPPES registry for Carol Vanderzwaag is (919) 573-6520.
- Does Carol Vanderzwaag accept Medicare?
- Carol Vanderzwaag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carol Vanderzwaag's NPI active?
- Yes — Carol Vanderzwaag's NPI (1215161492) is active in the NPPES registry as of the last update on 2021-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.