Alexander Mark McClanahan, MD, MHA
Psychiatry Physician · New Haven, CT
Alexander Mark McClanahan, MD, MHA is a psychiatry physician with a practice address in New Haven, Connecticut, and NPI 1215504675, issued on Jun 4, 2021. Check the license (Connecticut 80646, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Alexander Mark McClanahan
- Credential
- MD, MHA
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 80646 CT
86236 SC
Self-reported in NPPES; status is on the state search - Practice location
- 34 Park St, New Haven, CT 06519
- Phone
- (203) 974-7072
- Enumerated
- Jun 4, 2021
- Record last updated
- Aug 6, 2025
- Medicare enrollment
- Enrolled (PECOS I20251104004064); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 34 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raina AggarwalStudent in an Organized Health Care Education/Training Program1154852374
- Mayra Aguirre, LCSWClinical Social Worker1326424938
- Edna Aklin, LCSWClinical Social Worker1407905805
- Milania Al-Jammaly, M.D.Psychiatry Physician1851704969
- Areej Ali, MDInternal Medicine Physician1629654629
- Margaret Allende, DNSC APRNClinical Nurse Specialist1386709756
Verify Alexander Mark McClanahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 80646Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
51 Medicare Part D claims for 17 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Musc Community PhysiciansOrangeburg, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Mark McClanahan among 1,174 psychiatry physician records in Connecticut
Alexander Mark McClanahan, MD, MHA is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.
- NPI issued2021 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2021 · median 2003 among the 503 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
285 psychiatry physician records list a practice address in New Haven
They are 285 of the 9,793 NPPES records with a practice address in New Haven, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in New Haven → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Orna Alpert, MDNew Haven, CT 065191164466769
- Roger Ayres, M.D.New Haven, CT 065191013975945
- Robert Beech, MDNew Haven, CT 065191821079195
- Zubin Bhagwagar, MD, PHDNew Haven, CT 065191245294867
- Caroline Dumont, MDNew Haven, CT 065191316910441
- Leslie Jacobsen, M.D.New Haven, CT 065191033135835
- Joanne Kurt, MDNew Haven, CT 065191093796872
- Sabina Lim, MDNew Haven, CT 065191851372429
Common questions
What is Alexander Mark McClanahan, MD, MHA's NPI number?
Alexander Mark McClanahan, MD, MHA's National Provider Identifier (NPI) is 1215504675, issued on Jun 4, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Mark McClanahan, MD, MHA located?
The NPPES record lists a practice address at 34 Park St, New Haven, CT, 06519. Phone: (203) 974-7072. Providers update this record themselves, so call before visiting.
How can I verify Alexander Mark McClanahan, MD, MHA's license?
NPPES lists Connecticut license number 80646, 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 Alexander Mark McClanahan, MD, MHA prescribe under Medicare Part D?
In 2024, Alexander Mark McClanahan, MD, MHA had 51 Medicare Part D claims for 17 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.