Lauren Dehan McMahon, MD
Obstetrics & Gynecology Physician · Farmington, CT
Lauren Dehan McMahon, MD is an obstetrics & gynecology physician with a practice address in Farmington, Connecticut, and NPI 1134689110, issued on Mar 25, 2019. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Lauren Dehan McMahon
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 323751 NY
Self-reported in NPPES; status is on the state search - Practice location
- 263 Farmington Ave, Farmington, CT 06030
- Phone
- (860) 224-5261
- Enumerated
- Mar 25, 2019
- Record last updated
- May 15, 2024
- Fax
- (860) 224-5957
- Medicare enrollment
- Enrolled (PECOS I20230901000445); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 707 in Connecticut → Look up another NPI →
Also registered at 263 Farmington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nour Abdallah, MDStudent in an Organized Health Care Education/Training Program1225882509
- Omar Abdelatey, DDSStudent in an Organized Health Care Education/Training Program1700672789
- Samira AbdelrehimStudent in an Organized Health Care Education/Training Program1225823743
- Reham AbdelsalamStudent in an Organized Health Care Education/Training Program1578143707
- Ezzat Abdoun, DDSStudent in an Organized Health Care Education/Training Program1962630905
- Arif Salman Abdul Shakore, B.D.S., M.D.S.Student in an Organized Health Care Education/Training Program1750797387
Verify Lauren Dehan McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
65 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir16 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): 84.1 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).
Bills Medicare through one group practice
- Optum Medical Care PCPoughkeepsie, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren Dehan McMahon among 707 obstetrics & gynecology physician records in Connecticut
Lauren Dehan McMahon, MD is one of 707 obstetrics & gynecology 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 2019, is newer than 88% of them.
- NPI issued2019 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2003 among the 488 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 obstetrics & gynecology physician records list a practice address in Farmington
They are 35 of the 2,993 NPPES records with a practice address in Farmington, and 707 obstetrics & gynecology physician records in Connecticut.
All 707 in Connecticut → Every provider in Farmington → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jack Blechner, MDFarmington, CT 060301942205612
- Shannon Degroff, M.D.Farmington, CT 060301699036103
- Siobhan Dolan, MDFarmington, CT 060301891875373
- Kristin Head, MDFarmington, CT 060301245405752
- Donald KirtonFarmington, CT 060301538368873
- Maryanne McDonnell, M.D.Farmington, CT 060301578525259
- Christopher Morosky, M.D.Farmington, CT 060301679763155
- Chito Nwana, MDFarmington, CT 060301083872063
Common questions
What is Lauren Dehan McMahon, MD's NPI number?
Lauren Dehan McMahon, MD's National Provider Identifier (NPI) is 1134689110, issued on Mar 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Dehan McMahon, MD located?
The NPPES record lists a practice address at 263 Farmington Ave, Farmington, CT, 06030. Phone: (860) 224-5261. Providers update this record themselves, so call before visiting.
How can I verify Lauren Dehan McMahon, MD's license?
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 Lauren Dehan McMahon, MD prescribe under Medicare Part D?
In 2024, Lauren Dehan McMahon, MD had 65 Medicare Part D claims for 22 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Lauren Dehan McMahon, MD's MIPS final score?
The 2023 MIPS final score is 84.1 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.