John Cumiskey, D.C.
NPI 1255362638 · Chiropractor · La Verne, CA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cumiskey, D.C. is a Chiropractor provider in La Verne, CA (NPI 1255362638).
Provider details
- NPI number
- 1255362638
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DC17456 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2007-11-06
Frequently asked questions
- What is John Cumiskey's NPI number?
- John Cumiskey's National Provider Identifier (NPI) is 1255362638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cumiskey's specialty?
- John Cumiskey is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is John Cumiskey located?
- John Cumiskey's practice location on file with NPPES is 2175 Foothill Blvd, La Verne, CA 91750-2958.
- What is John Cumiskey's phone number?
- The practice phone number listed in the NPPES registry for John Cumiskey is (909) 593-1990.
- Does John Cumiskey accept Medicare?
- John Cumiskey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cumiskey's NPI active?
- Yes — John Cumiskey's NPI (1255362638) is active in the NPPES registry as of the last update on 2007-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.