Eric R Gejer, DO
Eric R Gejer is a Cardiovascular Disease Physician provider (Internal Medicine) practicing in Doylestown, PA, registered in the NPPES registry with NPI 1104863067 since 2006. The credential DO stands for Doctor of Osteopathic Medicine. Practices at Via Affiliates (listed at the same practice address in NPPES).
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1104863067 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Eric R Gejer |
| Credential | DO |
| Sex | Male |
| Practice address | 599 W STATE ST STE 200, Doylestown, PA, 18901 |
| Phone | 2678936800 |
| Fax | 2678936820 |
| Enumeration date | 2006-06-01 |
| Last updated in NPPES | 2023-11-02 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207UN0901X | Nuclear Cardiology Physician | Secondary | 0S010641L | PA |
| 207RC0000X | Cardiovascular Disease Physician | Primary | 0S010641L | PA |
DO — Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential
Copy-ready billing details
Provider: Eric Gejer, DO NPI: 1104863067 Taxonomy: 207RC0000X (Cardiovascular Disease Physician) Address: 599 W STATE ST STE 200, Doylestown, PA, 18901
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1922007079 | Renee Sangrigoli | Individual | Advanced Heart Failure and Transplant Cardiology Physician | Doylestown, PA |
| 1588778625 | Sandhya Salguti | Individual | Gastroenterology Physician | Doylestown, PA |
| 1497927776 | James Bohning | Individual | Gastroenterology Physician | Doylestown, PA |
| 1588838262 | Kimberly Alfaro | Individual | Adult Health Nurse Practitioner | Doylestown, PA |
| 1235305269 | Jyothi Mekapati | Individual | Gastroenterology Physician | Doylestown, PA |
| 1306097852 | Sarah White | Individual | Medical Physician Assistant | Doylestown, PA |
| 1972745875 | Marion-Anna Protano | Individual | Gastroenterology Physician | Doylestown, PA |
| 1770808990 | Hannah Do | Individual | Gastroenterology Physician | Doylestown, PA |
Verify this record
Cross-check NPI 1104863067 against the authoritative CMS record: view Eric R Gejer on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-11-02.