David Alexander Harriman, M.D.
Emergency Medical Services (Emergency Medicine) Physician · New Haven, CT
David Alexander Harriman, M.D. is an emergency medical services (emergency medicine) physician with a practice address in New Haven, Connecticut, and NPI 1982654034, issued on May 11, 2006. Check the license (Connecticut 047091, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David Alexander Harriman
- Credential
- M.D.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 047091 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Chapel St, New Haven, CT 06511
- Phone
- (203) 789-3469
- Enumerated
- May 11, 2006
- Record last updated
- May 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 867-5264
- Medicaid ID
- 403646800 MD
- Medicare enrollment
- Enrolled (PECOS I20250107003864); accepts Medicare assignment
- Medical or professional school
- Mcgill University, Faculty Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 37 in Connecticut → Look up another NPI →
Also registered at 1450 Chapel St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Ahmed, M.D.Family Medicine Physician1376551879
- Sohee Ahn, PHARMDPharmacist1649894387
Verify David Alexander Harriman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 047091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
332 Medicare Part D claims for 226 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Cephalexin36 claims
- Doxycycline Hyclate33 claims
- Methylprednisolone27 claims
- Prednisone22 claims
- Baclofen16 claims
- Nitrofurantoin Mono-Macro13 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.
Bills Medicare through 2 group practices
- Emergency Medicine Services OF FL LLCPort Charlotte, FL
- Newburyport Emergency Physicians, PLLCNewburyport, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Alexander Harriman among 37 emergency medical services (emergency medicine) physician records in Connecticut
David Alexander Harriman, M.D. is one of 37 emergency medical services (emergency medicine) physician records with a practice address in Connecticut. 57% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 27% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Record last updated2013 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Connecticut
There are 37 emergency medical services (emergency medicine) physician records in Connecticut.
All 37 in Connecticut → Every provider in New Haven → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Jonathan McMahon, DONew Haven, CT 065101801359062
- Nayeli Rodulfo-Zayas, M.D.New Haven, CT 065101558629022
- Alina Tsyrulnik, M.D.New Haven, CT 065101134389190
- George McGinniss, MDNew Haven, CT 065191528697760
- Mark Wipfler, M.D.Southbury, CT 064881871653691
- Shannon Maher, M.D.Middletown, CT 064571720384308
- Sybil Cheng, D.O.Derby, CT 064181013936699
- Paul Kanfer, M.D.Waterford, CT 063851336451830
Common questions
What is David Alexander Harriman, M.D.'s NPI number?
David Alexander Harriman, M.D.'s National Provider Identifier (NPI) is 1982654034, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Alexander Harriman, M.D. located?
The NPPES record lists a practice address at 1450 Chapel St, New Haven, CT, 06511. Phone: (203) 789-3469. Providers update this record themselves, so call before visiting.
How can I verify David Alexander Harriman, M.D.'s license?
NPPES lists Connecticut license number 047091, 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 David Alexander Harriman, M.D. prescribe under Medicare Part D?
In 2024, David Alexander Harriman, M.D. had 332 Medicare Part D claims for 226 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.