Lawrence Zimnoch, M.D.
NPI 1881611556 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Zimnoch, M.D. is a Internal Medicine Physician provider in Washington, DC (NPI 1881611556).
Provider details
- NPI number
- 1881611556
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD 16729 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,142 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 327 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 224 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 172 | $139 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 137 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 115 | $143 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 95 | 30 |
| Amlodipine Besylate | 94 | 30 |
| Rosuvastatin Calcium | 81 | 22 |
| Hydrochlorothiazide | 67 | 19 |
| Irbesartan | 65 | 18 |
| Zolpidem Tartrate | 65 | 15 |
| Levothyroxine Sodium | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,788 across 172 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
- 2006-07-17
- Last updated
- 2011-12-07
Frequently asked questions
- What is Lawrence Zimnoch's NPI number?
- Lawrence Zimnoch's National Provider Identifier (NPI) is 1881611556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Zimnoch's specialty?
- Lawrence Zimnoch is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Zimnoch located?
- Lawrence Zimnoch's practice location on file with NPPES is 2311 M St Nw Ste 302, Washington, DC 20037-1468.
- What is Lawrence Zimnoch's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Zimnoch is (202) 296-0043.
- Does Lawrence Zimnoch accept Medicare?
- Lawrence Zimnoch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Zimnoch's NPI active?
- Yes — Lawrence Zimnoch's NPI (1881611556) is active in the NPPES registry as of the last update on 2011-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.