OrganizationActive
Donald J. Prolo, M.D., Inc.
NPI 1104037423 · Specialist · San Jose, CA
Donald J. Prolo, M.D., Inc. is a Specialist organization in San Jose, CA (NPI 1104037423).
Provider details
- NPI number
- 1104037423
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Donald Prolo, M.D.(408) 295-4022
- License
- G99280 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(89/100 index)
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
203 Di Salvo Ave
San Jose, CA 95128-1628
Phone: (408) 295-4022
Fax: (408) 295-2562
Street-level locationGet directions
Mailing address
203 Di Salvo Ave
San Jose, CA 95128-1628
Registry dates
- Enumerated
- 2007-05-25
- Last updated
- 2007-07-12
Frequently asked questions
- What is Donald J. Prolo, M.D., Inc.'s NPI number?
- Donald J. Prolo, M.D., Inc.'s National Provider Identifier (NPI) is 1104037423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Donald J. Prolo, M.D., Inc.?
- Donald J. Prolo, M.D., Inc. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Donald J. Prolo, M.D., Inc. located?
- Donald J. Prolo, M.D., Inc.'s practice location on file with NPPES is 203 Di Salvo Ave, San Jose, CA 95128-1628.
- What is Donald J. Prolo, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Donald J. Prolo, M.D., Inc. is (408) 295-4022.
- Who is the authorized official for Donald J. Prolo, M.D., Inc.?
- The authorized official listed on Donald J. Prolo, M.D., Inc.'s NPPES record is Donald Prolo, M.D.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Donald J. Prolo, M.D., Inc.'s NPI active?
- Yes — Donald J. Prolo, M.D., Inc.'s NPI (1104037423) is active in the NPPES registry as of the last update on 2007-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.