DR. MARGARET IRENE GRIFFITH MD, MPH
NPI 1740584457
Preventive Medicine - Occupational Medicine in Bronx, NY
About Dr. Margaret Irene Griffith Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET IRENE GRIFFITH MD, MPH (NPI 1740584457) is an individual occupational medicine provider in Bronx, New York, licensed in New York (273516) and active in the NPI registry since January 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Margaret Irene Griffith Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Griffith reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brighton, CO 80601
- Reassigned Medicare billing, Colorado enrollment
- 1,270 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10465 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Margaret Griffith's NPI number?
The NPI number for Margaret Griffith is 1740584457. It was assigned to this individual provider in the NPPES registry on January 10, 2011.
Where is Margaret Griffith located?
Margaret Griffith practices at 843 Hutchinson River Parkway, Bronx, NY 10465. The listed phone number is (718) 925-4400.
What is Margaret Griffith's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.
Is Margaret Griffith enrolled in Medicare?
Yes. Margaret Griffith is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Griffith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Griffith reassigns Medicare benefits to Intermountain Medical Group Denver, LLC (Brighton, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Griffith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Griffith was last updated on January 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.
# Dr. Margaret Irene Griffith, MD, MPH · NPI 1740584457
Occupational Medicine physician in Bronx, New York. Individual provider, active in the CMS NPPES registry since January 10, 2011.
## Identity
- **NPI:** 1740584457 (Entity type: Individual)
- **Enumerated:** January 10, 2011
- **Primary specialty:** Preventive Medicine - Occupational Medicine · taxonomy 2083X0100X
- **State license:** 273516 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 843 HUTCHINSON RIVER PARKWAY, Bronx, NY 10465-9503
- **Phone:** (718) 925-4400
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Intermountain Medical Group Denver, LLC (NPI 1164195673, Brighton, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 20, 2017
---
Source: [NPI Profile](https://npiprofile.com/npi/1740584457) · Data from the CMS NPPES public registry.