Denise K. Lautenbach, MD
Internal Medicine Physician · New Canaan, CT
Denise K. Lautenbach, MD is an internal medicine physician with a practice address in New Canaan, Connecticut, and NPI 1174620694, issued on Sep 19, 2006. Check the license (Connecticut 039966, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Denise K. Lautenbach
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 039966 CT
Self-reported in NPPES; status is on the state search - Practice location
- 194 South Ave, New Canaan, CT 06840
- Phone
- (203) 966-8079
- Enumerated
- Sep 19, 2006
- Record last updated
- Jan 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (203) 966-8223
- Medicaid ID
- 004187466 CT
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 194 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Dayya, D.O., M.P.H.Undersea and Hyperbaric Medicine (Preventive Medicine) Physician1548341837
Verify Denise K. Lautenbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 039966Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average internal medicine physician in 2024
987 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium108 claims
- Amlodipine Besylate55 claims
- Levothyroxine Sodium52 claims
- Rosuvastatin Calcium46 claims
- Lisinopril41 claims
- Hydrochlorothiazide37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Denise K. Lautenbach among 2,623 internal medicine physician records in Connecticut
Denise K. Lautenbach, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 internal medicine physician records list a practice address in New Canaan
They are 13 of the 276 NPPES records with a practice address in New Canaan, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in New Canaan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Deena Ebright, M.D.New Canaan, CT 068401346202371
- Seymour Fein, M.D.New Canaan, CT 068401598886723
- Yesha Gandhi, M.D.New Canaan, CT 068401457887200
- Peter Hasapis, MDNew Canaan, CT 068401720154354
- Kirsten Hohmann, MDNew Canaan, CT 068401912017989
- Alicia Masucci, MDNew Canaan, CT 068401992333777
- Rebecca ScherrNew Canaan, CT 068401841816360
- Peter Shutkin, MDNew Canaan, CT 068401598830234
Common questions
What is Denise K. Lautenbach, MD's NPI number?
Denise K. Lautenbach, MD's National Provider Identifier (NPI) is 1174620694, issued on Sep 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Denise K. Lautenbach, MD located?
The NPPES record lists a practice address at 194 South Ave, New Canaan, CT, 06840. Phone: (203) 966-8079. Providers update this record themselves, so call before visiting.
How can I verify Denise K. Lautenbach, MD's license?
NPPES lists Connecticut license number 039966, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Denise K. Lautenbach, MD prescribe under Medicare Part D?
In 2024, Denise K. Lautenbach, MD had 987 Medicare Part D claims for 251 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Denise K. Lautenbach, MD's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.