Jeffrey Gryn, MD
NPI 1427033455 · Hematology & Oncology Physician · Dunmore, PA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Gryn, MD is a Hematology & Oncology Physician provider in Dunmore, PA (NPI 1427033455).
Provider details
- NPI number
- 1427033455
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD029694E (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
20 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
- 2005-12-13
- Last updated
- 2020-10-01
- Certified
- 2020-10-01
Frequently asked questions
- What is Jeffrey Gryn's NPI number?
- Jeffrey Gryn's National Provider Identifier (NPI) is 1427033455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Gryn's specialty?
- Jeffrey Gryn is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Gryn located?
- Jeffrey Gryn's practice location on file with NPPES is 1100 Meade St, Dunmore, PA 18512.
- What is Jeffrey Gryn's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Gryn is (570) 342-3675.
- Does Jeffrey Gryn accept Medicare?
- Jeffrey Gryn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Gryn's NPI active?
- Yes — Jeffrey Gryn's NPI (1427033455) is active in the NPPES registry as of the last update on 2020-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.