Casey Phan, MD
NPI 1720421118 · Anatomic Pathology & Clinical Pathology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Casey Phan, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Honolulu, HI (NPI 1720421118).
Provider details
- NPI number
- 1720421118
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD459804 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,201 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,874 | $80 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 1,327 | $39 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 362 | $104 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 289 | $29 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 215 | $121 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 149 | $127 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$130 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
- 2013-04-16
- Last updated
- 2024-05-29
- Certified
- 2024-05-22
Frequently asked questions
- What is Casey Phan's NPI number?
- Casey Phan's National Provider Identifier (NPI) is 1720421118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Casey Phan's specialty?
- Casey Phan is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Casey Phan located?
- Casey Phan's practice location on file with NPPES is 1301 Punchbowl Street, Honolulu, HI 96813.
- What is Casey Phan's phone number?
- The practice phone number listed in the NPPES registry for Casey Phan is (808) 691-4271.
- Does Casey Phan accept Medicare?
- Casey Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Casey Phan's NPI active?
- Yes — Casey Phan's NPI (1720421118) is active in the NPPES registry as of the last update on 2024-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.