Justin Wahlstrom, M.D.
NPI 1912165358 · Pediatric Hematology & Oncology Physician · San Francisco, CA
Justin Wahlstrom, M.D. is a Pediatric Hematology & Oncology Physician provider in San Francisco, CA (NPI 1912165358).
Provider details
- NPI number
- 1912165358
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 240540 (NY)
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 tenure38% of score
18 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
- 2008-05-31
- Last updated
- 2012-04-13
Frequently asked questions
- What is Justin Wahlstrom's NPI number?
- Justin Wahlstrom's National Provider Identifier (NPI) is 1912165358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Wahlstrom's specialty?
- Justin Wahlstrom is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Wahlstrom located?
- Justin Wahlstrom's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Justin Wahlstrom's phone number?
- The practice phone number listed in the NPPES registry for Justin Wahlstrom is (415) 443-4127.
- Is Justin Wahlstrom's NPI active?
- Yes — Justin Wahlstrom's NPI (1912165358) is active in the NPPES registry as of the last update on 2012-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.