DR. GREGORY LALONDE MD
NPI 1629569587
Internal Medicine in Baltimore, MD
About Dr. Gregory Lalonde Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY LALONDE MD (NPI 1629569587) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0094016) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2018).
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 and accepts Medicare assignment
Dr. Gregory Lalonde 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 Reassignment
Medicare enrollment records show Gregory Lalonde reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21264
- Reassigned Medicare billing, Maryland enrollment
- 128 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUniversity Of MD Medical Center Midtown Campus
Acute Care Hospitals · Baltimore, MDUmd Rehabilitation & Orthopaedic Institute
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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
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 Gregory Lalonde's NPI number?
The NPI number for Gregory Lalonde is 1629569587. It was assigned to this individual provider in the NPPES registry on May 25, 2018.
Where is Gregory Lalonde located?
Gregory Lalonde practices at 827 Linden Ave, Baltimore, MD 21201. The listed phone number is (410) 225-8000.
What is Gregory Lalonde's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gregory Lalonde enrolled in Medicare?
Yes. Gregory Lalonde 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 organization bills Medicare for Gregory Lalonde's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Lalonde reassigns Medicare benefits to Maryland General Clinical Practice Group, Inc. (Baltimore, MD). 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 Gregory Lalonde's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Lalonde affiliated with any hospitals?
According to CMS data, Gregory Lalonde is affiliated with University Of Maryland Medical Center, University Of MD Medical Center Midtown Campus and Umd Rehabilitation & Orthopaedic Institute.
When was this NPI record last updated?
The NPPES record for Gregory Lalonde was last updated on July 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Gregory Lalonde, MD · NPI 1629569587
Internal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 25, 2018.
## Identity
- **NPI:** 1629569587 (Entity type: Individual)
- **Enumerated:** May 25, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0094016 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 827 LINDEN AVE, Baltimore, MD 21201-4606
- **Phone:** (410) 225-8000
## 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:** Maryland General Clinical Practice Group, Inc. (NPI 1770684805, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2018
## Record status
- **NPPES last updated:** July 13, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1629569587) · Data from the CMS NPPES public registry.