JACOB RON GREENMYER MD
NPI 1891323564
Pediatrics - Pediatric Hematology-Oncology in Rochester, MN

Q: What is Jacob Greenmyer's NPI number?

The NPI number for Jacob Greenmyer is 1891323564. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Q: What is Jacob Greenmyer's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Q: When was this NPI record last updated?

The NPPES record for Jacob Greenmyer was last updated on June 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 30, 2020PECOS Enrolled

200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: June 19, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 19, 2025, Jun 18, 2024, Jul 26, 2021 and 4 more (7 updates tracked since 2020).

On this page

About Jacob Ron Greenmyer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACOB RON GREENMYER MD (NPI 1891323564) is an individual pediatric hematology-oncology provider in Rochester, Minnesota, licensed in Minnesota (69582) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891323564

Entity TypeIndividualMale

Primary Taxonomy2080P0207X

Provider Legal NameJACOB RON GREENMYERCredential: MD

Location Address200 1ST ST SWRochester, MN 55905-0001

Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511

Phone(507) 284-2511

Sole ProprietorNo

Enumeration DateMarch 30, 2020

Last NPPES UpdateJune 19, 20257 updates tracked since enumeration

NPPES CertifiedJune 19, 2025

✔ NPI 1891323564 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in MN · 69582

Definition

A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

Also ListedFamily Medicine · Hospice and Palliative MedicineTaxonomy 207QH0002X · License 69582 (MN)

Also ListedPediatricsTaxonomy 208000000X · License 30904 (MN), 69582 (MN)

200 1ST ST SW, Rochester, MN 55905

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jacob Ron Greenmyer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jacob Greenmyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mayo Clinic

Same address

Infectious Disease

200 1ST ST SW
Rochester, MN 55905

Reassigned Medicare billing, Minnesota enrollment
6,534 clinicians in this Medicare group

NPI 1114343860 (507) 284-2511

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EMILY LEASURE MD

Internal Medicine