Robert Allen, MD
NPI 1871586610 · Colon & Rectal Surgery Physician · Santa Cruz, CA
Robert Allen, MD is a Colon & Rectal Surgery Physician provider in Santa Cruz, CA (NPI 1871586610).
Provider details
- NPI number
- 1871586610
- Entity type
- Individual
- Primary specialty
- Colon & Rectal Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- G25241 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-08-26
- Last updated
- 2023-03-07
Frequently asked questions
- What is Robert Allen's NPI number?
- Robert Allen's National Provider Identifier (NPI) is 1871586610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Allen's specialty?
- Robert Allen is listed in the NPPES registry with a primary specialty of Colon & Rectal Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Allen located?
- Robert Allen's practice location on file with NPPES is 1575 Soquel Dr, Santa Cruz, CA 95065-1700.
- What is Robert Allen's phone number?
- The practice phone number listed in the NPPES registry for Robert Allen is (831) 479-3772.
- Is Robert Allen's NPI active?
- Yes — Robert Allen's NPI (1871586610) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.