Justin Kerstetter, M.D.
NPI 1629241054 · Dermatopathology (Pathology) Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Kerstetter, M.D. is a Dermatopathology (Pathology) Physician provider in Loma Linda, CA (NPI 1629241054).
Provider details
- NPI number
- 1629241054
- Entity type
- Individual
- Primary specialty
- Dermatopathology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A109169 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,262 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 458 | $76 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 348 | $37 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 118 | $80 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 82 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 53 | $34 |
| Pathology Examination of Tissue Using a Microscope, Limited Examination88300 | 48 | $4 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-07
- Last updated
- 2015-11-19
Frequently asked questions
- What is Justin Kerstetter's NPI number?
- Justin Kerstetter's National Provider Identifier (NPI) is 1629241054, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Kerstetter's specialty?
- Justin Kerstetter is listed in the NPPES registry with a primary specialty of Dermatopathology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Kerstetter located?
- Justin Kerstetter's practice location on file with NPPES is 11234 Anderson St, Loma Linda, CA 92354-2804.
- What is Justin Kerstetter's phone number?
- The practice phone number listed in the NPPES registry for Justin Kerstetter is (909) 558-4000.
- Does Justin Kerstetter accept Medicare?
- Justin Kerstetter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Kerstetter's NPI active?
- Yes — Justin Kerstetter's NPI (1629241054) is active in the NPPES registry as of the last update on 2015-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.