FRANCIS LAWSON GRUMBINE MD
NPI 1316178452
Ophthalmology in Baltimore, MD
About Francis Lawson Grumbine Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANCIS LAWSON GRUMBINE MD (NPI 1316178452) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Maryland (D0078912) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, is affiliated with Greater Baltimore Medical Center, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2009).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Francis Lawson Grumbine Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Francis Grumbine reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 2 clinicians in this Medicare group
Baltimore, MD 21204
- Reassigned Medicare billing, Maryland enrollment
- 444 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.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Greater Baltimore Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BALTIMORE, MD 21201
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 Francis Grumbine's NPI number?
The NPI number for Francis Grumbine is 1316178452. It was assigned to this individual provider in the NPPES registry on August 6, 2009.
Where is Francis Grumbine located?
Francis Grumbine practices at 419 W Redwood St Ste 470, Baltimore, MD 21201. The listed phone number is (667) 214-1111.
What is Francis Grumbine's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Francis Grumbine enrolled in Medicare?
Yes. Francis Grumbine is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Francis Grumbine's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Francis Grumbine reassigns Medicare benefits to 2 organizations: University Of Maryland Eye Associates, P.A. (Baltimore, MD) and Greater Baltimore Medical Center, Inc. (Baltimore, MD). Each 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 Francis Grumbine's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Francis Grumbine accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Francis Grumbine as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Francis Grumbine affiliated with any hospitals?
According to CMS data, Francis Grumbine is affiliated with Greater Baltimore Medical Center.
When was this NPI record last updated?
The NPPES record for Francis Grumbine was last updated on July 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Francis Lawson Grumbine, MD · NPI 1316178452
Ophthalmology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since August 6, 2009.
## Identity
- **NPI:** 1316178452 (Entity type: Individual)
- **Enumerated:** August 6, 2009
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** D0078912 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 419 W REDWOOD ST, STE 470, Baltimore, MD 21201-1734
- **Phone:** (667) 214-1111 · **Fax:** (410) 328-6503
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Eye Associates, P.A. (NPI 1285655829, Baltimore, MD); Greater Baltimore Medical Center, Inc. (NPI 1013739382, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 2009
## Record status
- **NPPES last updated:** July 27, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1316178452) · Data from the CMS NPPES public registry.