Bonnie Koo, M.D.
NPI 1851533038 · Dermatology Physician · King of Prussia, PA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bonnie Koo, M.D. is a Dermatology Physician provider in King of Prussia, PA (NPI 1851533038).
Provider details
- NPI number
- 1851533038
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD462822 (PA)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 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
- 2009-04-02
- Last updated
- 2018-05-16
Frequently asked questions
- What is Bonnie Koo's NPI number?
- Bonnie Koo's National Provider Identifier (NPI) is 1851533038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Koo's specialty?
- Bonnie Koo is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Bonnie Koo located?
- Bonnie Koo's practice location on file with NPPES is 491 Allendale Rd Ste 313, King of Prussia, PA 19406.
- What is Bonnie Koo's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Koo is (610) 337-3195.
- Does Bonnie Koo accept Medicare?
- Bonnie Koo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bonnie Koo's NPI active?
- Yes — Bonnie Koo's NPI (1851533038) is active in the NPPES registry as of the last update on 2018-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.