Lawrence Gernon, MD
NPI 1225227069 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Gernon, MD is a Internal Medicine Physician provider in Washington, DC (NPI 1225227069).
Provider details
- NPI number
- 1225227069
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
203 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 75 | $118 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 58 | $171 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $63 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $129 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 16 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Naproxen | 46 | 46 |
| Cephalexin | 41 | 41 |
| Methylprednisolone | 31 | 31 |
| Cyclobenzaprine Hcl | 26 | 25 |
| Amoxicillin | 23 | 23 |
| Doxycycline Hyclate | 23 | 23 |
| Fluticasone Propionate | 22 | 22 |
| Omeprazole | 19 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-10-17
- Last updated
- 2007-10-17
Frequently asked questions
- What is Lawrence Gernon's NPI number?
- Lawrence Gernon's National Provider Identifier (NPI) is 1225227069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Gernon's specialty?
- Lawrence Gernon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Gernon located?
- Lawrence Gernon's practice location on file with NPPES is US Dept of State, Washington, DC 20522-0001.
- What is Lawrence Gernon's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Gernon is (202) 663-2453.
- Does Lawrence Gernon accept Medicare?
- Lawrence Gernon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Gernon's NPI active?
- Yes — Lawrence Gernon's NPI (1225227069) is active in the NPPES registry as of the last update on 2007-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.