Lawrence Knapp, CRNP
NPI 1831563907 · Family Nurse Practitioner · Oakland, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Knapp, CRNP is a Family Nurse Practitioner provider in Oakland, MD (NPI 1831563907).
Provider details
- NPI number
- 1831563907
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Male
- Sole proprietor
- No
- License
- R209023 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,003 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 292 | $80 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 248 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $112 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 79 | $116 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 42 | $13 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 191 | 36 |
| Lisinopril | 158 | 48 |
| Atorvastatin Calcium | 131 | 44 |
| Omeprazole | 130 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 107 | 31 |
| Furosemide | 100 | 27 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-11-30
- Last updated
- 2022-04-07
- Certified
- 2022-04-07
Frequently asked questions
- What is Lawrence Knapp's NPI number?
- Lawrence Knapp's National Provider Identifier (NPI) is 1831563907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Knapp's specialty?
- Lawrence Knapp is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lawrence Knapp located?
- Lawrence Knapp's practice location on file with NPPES is 311 N 4th St, Oakland, MD 21550-1371.
- What is Lawrence Knapp's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Knapp is (301) 334-8171.
- Does Lawrence Knapp accept Medicare?
- Lawrence Knapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Knapp's NPI active?
- Yes — Lawrence Knapp's NPI (1831563907) is active in the NPPES registry as of the last update on 2022-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.