Doctor profile · Federal record

Dr. Lawrence Zimnoch, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Washington, DC

  • NPI 1881611556
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2311 M St Nw Ste 302
Washington, DC 200371468
(202) 296-0043
fax (202) 296-1306

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 7, 2011
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
District of Columbia #MD 16729

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881611556. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,234
Distinct HCPCS
10
Medicare allowed
$84,111
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 320 203 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 273 179 $102
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 142 134 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 140 89 $143
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 130 130 $145
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous 59 59 $18
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 45 25 $27
90662 Influenza vaccine split virus, preservative free 37 36 $70
G0008 Administration of influenza virus vaccine 36 35 $35
G0009 Administration of pneumococcal vaccine 15 15 $35

In context: peer comparison

Among 219 peers in Washington Internal Medicine Physician, average services per provider: 102. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,788
Transactions
153
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 30 $774.80
Gilead Sciences, INC. 34 $705.37
Abbvie INC. 13 $286.31
Pfizer INC. 15 $238.47
Lilly USA, LLC 10 $208.34
Theratechnologies INC. 6 $182.43
Novo Nordisk INC 9 $176.07
Takeda Pharmaceuticals U.S.A., INC. 11 $170.28
Amgen INC. 6 $162.62
Merck Sharp & Dohme LLC 6 $143.31
Otsuka America Pharmaceutical, INC. 3 $83.84
Lundbeck LLC 3 $75.94
Harmony Biosciences LLC 2 $71.74
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 3 $56.72
AstraZeneca Pharmaceuticals Lp 2 $55.90

By nature of payment

Food and Beverage
$3,788

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
634
Patients
106
Total drug cost
$11,778
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 68 18 $1,214
Amlodipine Besylate Generic 65 21 $513
Levothyroxine Sodium Generic 62 14 $875
Zolpidem Tartrate Generic 56 13 $837
Rosuvastatin Calcium Generic 45 13 $817
Irbesartan Generic 41 0 $961
Tamsulosin Hcl Generic 41 15 $1,134
Metoprolol Succinate Generic 40 0 $837
Lisinopril Generic 38 0 $429
Losartan Potassium Generic 32 12 $474

Frequently asked questions

Auto-generated from federal data
What is Dr. Lawrence Zimnoch's medical specialty?
Dr. Lawrence Zimnoch practices Internal Medicine Physician in Washington, DC.
Where does Dr. Lawrence Zimnoch practice?
Dr. Lawrence Zimnoch practices at 2311 M St Nw Ste 302, Washington, DC 200371468. Office phone: 2022960043.
What is Dr. Lawrence Zimnoch's NPI?
Dr. Lawrence Zimnoch's National Provider Identifier (NPI) is 1881611556, issued by NPPES.
Does Dr. Lawrence Zimnoch accept Medicare assignment?
Yes. Dr. Lawrence Zimnoch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lawrence Zimnoch commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.