Doctor profile · Federal record
Dr. Marie Louies Lamsen, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Danbury, CT
- NPI 1982975710
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 17 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
24 Hospital Ave
Danbury, CT 068106077
(203) 739-6959 - Additional location
-
16 Guion Pl
New Rochelle, NY 108015502
(914) 365-3680
Credentials & registration
- NPI registered
- January 2012 — 14 yrs on file
- Profile last updated
- January 31, 2022
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Connecticut #70095 · New York #274350
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982975710. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,091
Distinct HCPCS
7
Medicare allowed
$118,491
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 352 | 214 | $83 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 285 | 196 | $124 | |
99238 |
Hospital discharge day management, 30 minutes or less | 167 | 163 | $84 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 129 | 126 | $180 | |
99239 |
Hospital discharge day management, more than 30 minutes | 96 | 95 | $119 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 35 | 21 | $52 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 27 | $135 |
In context: peer comparison
Among 35 peers in Danbury Internal Medicine Physician, average services per provider: 136. This provider delivers 8.0× the peer median.Open Payments
Industry payments received
All-time total
$302
Transactions
8
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $150.00 | |
| Pfizer INC. | 3 | $60.75 | |
| Merck Sharp & Dohme LLC | 2 | $35.15 | |
| Abbvie INC. | 1 | $30.62 | |
| Janssen Pharmaceuticals, INC | 1 | $25.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
12
Total drug cost
$228
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 17 | 0 | $89 |
| Prednisone | Generic | 14 | 12 | $53 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 11 | 0 | $86 |
Hospital affiliations
Frequently asked questions
What is Dr. Marie Louies Lamsen's medical specialty?
Dr. Marie Louies Lamsen practices Internal Medicine Physician in Danbury, CT.
Where does Dr. Marie Louies Lamsen practice?
Dr. Marie Louies Lamsen practices at 24 Hospital Ave, Danbury, CT 068106077. Office phone: 2037396959.
What is Dr. Marie Louies Lamsen's NPI?
Dr. Marie Louies Lamsen's National Provider Identifier (NPI) is 1982975710, issued by NPPES.
Does Dr. Marie Louies Lamsen accept Medicare assignment?
Yes. Dr. Marie Louies Lamsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marie Louies Lamsen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.