David Tso, CRNP
NPI 1225899750 · Family Nurse Practitioner · Upper Darby, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Tso, CRNP is a Family Nurse Practitioner provider in Upper Darby, PA (NPI 1225899750).
Provider details
- NPI number
- 1225899750
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Male
- Sole proprietor
- No
- License
- SP023572 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1501 Lansdowne Ave Fl 1Darby, PA 19023-1333Phone: (610) 534-6310
Registry dates
- Enumerated
- 2024-01-22
- Last updated
- 2024-12-26
- Certified
- 2024-12-26
Frequently asked questions
- What is David Tso's NPI number?
- David Tso's National Provider Identifier (NPI) is 1225899750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Tso's specialty?
- David Tso is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Tso located?
- David Tso's practice location on file with NPPES is 234 S Bayberry Ln, Upper Darby, PA 19082-1204.
- What is David Tso's phone number?
- The practice phone number listed in the NPPES registry for David Tso is (215) 519-5798.
- Does David Tso accept Medicare?
- David Tso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Tso's NPI active?
- Yes — David Tso's NPI (1225899750) is active in the NPPES registry as of the last update on 2024-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.