IndividualActive
Arnold Eiser, MD
NPI 1114061892 · Nephrology Physician · Darby, PA
Arnold Eiser, MD is a Nephrology Physician provider in Darby, PA (NPI 1114061892).
Provider details
- NPI number
- 1114061892
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD016528E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
1500 Lansdowne Ave
Darby, PA 19023-1200
Phone: (610) 237-5620
Street-level locationGet directions
Mailing address
1032 Great Springs Rd
Bryn Mawr, PA 19010-1724
Registry dates
- Enumerated
- 2007-02-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Arnold Eiser's NPI number?
- Arnold Eiser's National Provider Identifier (NPI) is 1114061892, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arnold Eiser's specialty?
- Arnold Eiser is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Arnold Eiser located?
- Arnold Eiser's practice location on file with NPPES is 1500 Lansdowne Ave, Darby, PA 19023-1200.
- What is Arnold Eiser's phone number?
- The practice phone number listed in the NPPES registry for Arnold Eiser is (610) 237-5620.
- Is Arnold Eiser's NPI active?
- Yes — Arnold Eiser's NPI (1114061892) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.