Gregory Lalonde, MD
NPI 1629569587 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Lalonde, MD is a Internal Medicine Physician provider in Baltimore, MD (NPI 1629569587).
Provider details
- NPI number
- 1629569587
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125.072166 (IL)
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 tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
643 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 337 | $112 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 188 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $80 |
| Hemoglobin A1c Level83036 | 29 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $172 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 241 | 86 |
| Atorvastatin Calcium | 212 | 80 |
| Losartan Potassium | 154 | 56 |
| Lisinopril | 99 | 31 |
| Gabapentin | 93 | 32 |
| Metoprolol Succinate | 78 | 28 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-25
- Last updated
- 2022-07-13
- Certified
- 2022-07-13
Frequently asked questions
- What is Gregory Lalonde's NPI number?
- Gregory Lalonde's National Provider Identifier (NPI) is 1629569587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Lalonde's specialty?
- Gregory Lalonde is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Lalonde located?
- Gregory Lalonde's practice location on file with NPPES is 827 Linden Ave, Baltimore, MD 21201-4606.
- What is Gregory Lalonde's phone number?
- The practice phone number listed in the NPPES registry for Gregory Lalonde is (410) 225-8000.
- Does Gregory Lalonde accept Medicare?
- Gregory Lalonde is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Lalonde's NPI active?
- Yes — Gregory Lalonde's NPI (1629569587) is active in the NPPES registry as of the last update on 2022-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.