Casey Kolff, M.D.
NPI 1689085557 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Casey Kolff, M.D. is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1689085557).
Provider details
- NPI number
- 1689085557
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD458935 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
12 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
- 2014-05-14
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Casey Kolff's NPI number?
- Casey Kolff's National Provider Identifier (NPI) is 1689085557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Casey Kolff's specialty?
- Casey Kolff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Casey Kolff located?
- Casey Kolff's practice location on file with NPPES is 2600 Belmont Ave, Philadelphia, PA 19131-2713.
- What is Casey Kolff's phone number?
- The practice phone number listed in the NPPES registry for Casey Kolff is (215) 878-5600.
- Does Casey Kolff accept Medicare?
- Casey Kolff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Casey Kolff's NPI active?
- Yes — Casey Kolff's NPI (1689085557) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.