Catherine Holladay, DO
NPI 1538153291 · Psychiatry Physician · Sandusky, OH
Catherine Holladay, DO is a Psychiatry Physician provider in Sandusky, OH (NPI 1538153291).
Provider details
- NPI number
- 1538153291
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 34005818H (OH)
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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 156 | 24 |
| Trazodone Hcl | 82 | 16 |
| Escitalopram Oxalate | 79 | 18 |
| Alprazolam | 74 | — |
| Sertraline Hcl | 58 | 14 |
| Fluoxetine Hcl | 51 | — |
| Bupropion Hclbrand: Bupropion Xl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$746 across 13 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
- 2005-09-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Catherine Holladay's NPI number?
- Catherine Holladay's National Provider Identifier (NPI) is 1538153291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Holladay's specialty?
- Catherine Holladay is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Holladay located?
- Catherine Holladay's practice location on file with NPPES is 1717 E Perkins Ave, Sandusky, OH 44870-7919.
- What is Catherine Holladay's phone number?
- The practice phone number listed in the NPPES registry for Catherine Holladay is (419) 624-8330.
- Is Catherine Holladay's NPI active?
- Yes — Catherine Holladay's NPI (1538153291) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.