Katherine Chapel, MD
NPI 1386938306 · Psychiatry Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Chapel, MD is a Psychiatry Physician provider in Oklahoma City, OK (NPI 1386938306).
Provider details
- NPI number
- 1386938306
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 28612 (OK)
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
15 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Quetiapine Fumarate | 60 |
| Hydroxyzine Pamoate | 49 |
| Trazodone Hcl | 42 |
| Risperidone | 31 |
| Aripiprazole | 25 |
| Fluoxetine Hcl | 25 |
| Mirtazapine | 24 |
| Escitalopram Oxalate | 21 |
| Aripiprazolebrand: Abilify | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 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
- 2011-06-07
- Last updated
- 2011-06-07
Frequently asked questions
- What is Katherine Chapel's NPI number?
- Katherine Chapel's National Provider Identifier (NPI) is 1386938306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Chapel's specialty?
- Katherine Chapel is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Chapel located?
- Katherine Chapel's practice location on file with NPPES is 920 Sl Young Blvd, Oklahoma City, OK 73104-5036.
- What is Katherine Chapel's phone number?
- The practice phone number listed in the NPPES registry for Katherine Chapel is (405) 271-5251.
- Does Katherine Chapel accept Medicare?
- Katherine Chapel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Chapel's NPI active?
- Yes — Katherine Chapel's NPI (1386938306) is active in the NPPES registry as of the last update on 2011-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.