Arthur an M D Inc
NPI 1558572610 · Specialist · Arcadia, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arthur an M D Inc is a Specialist organization in Arcadia, CA (NPI 1558572610).
Provider details
- NPI number
- 1558572610
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Lynna Del Castillo, Billing Administrator(626) 827-6806
- License
- A61877 (CA)
Specialties & taxonomies
Other Service 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
Other names (DBA / former)
- Former legal business name
- Arthur An, M.D., Inc
Registry dates
- Enumerated
- 2007-05-24
- Last updated
- 2024-02-13
- Certified
- 2024-02-13
Frequently asked questions
- What is Arthur an M D Inc's NPI number?
- Arthur an M D Inc's National Provider Identifier (NPI) is 1558572610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arthur an M D Inc?
- Arthur an M D Inc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Arthur an M D Inc located?
- Arthur an M D Inc's practice location on file with NPPES is 1015 N 1st Ave, Arcadia, CA 91006-7401.
- What is Arthur an M D Inc's phone number?
- The practice phone number listed in the NPPES registry for Arthur an M D Inc is (626) 566-2866.
- Does Arthur an M D Inc accept Medicare?
- Arthur an M D Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Arthur an M D Inc?
- The authorized official listed on Arthur an M D Inc's NPPES record is Lynna Del Castillo, Billing Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arthur an M D Inc's NPI active?
- Yes — Arthur an M D Inc's NPI (1558572610) is active in the NPPES registry as of the last update on 2024-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.