Registry data as of Aug 27, 2026

Eric Alter

Hospitalist Physician · Fairfield, CT

Eric Alter is a hospitalist physician with a practice address in Fairfield, Connecticut, and NPI 1225370901, issued on Mar 20, 2013. Check the license (Connecticut 64865, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1225370901
Name
Eric Alter
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
64865 CT
281338 NY
Self-reported in NPPES; status is on the state search
Practice location
425 Post RD, Fairfield, CT 06824
Phone
(203) 254-2452
Enumerated
Mar 20, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 425 Post RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Seyed Aleali, MDInternal Medicine Physician1437146057
  2. Angelina AngeliFamily Nurse Practitioner1730669920
  3. Paul Berard, MDInternal Medicine Physician1699773804
  4. Emil Blanco, MDSpecialist1134111040
  5. Eddy CastilloSpecialist1225020134
  6. Brian ClancyPhysician Assistant1083151898

Verify Eric Alter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 64865
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

41% more Medicare Part D claims than the average hospitalist physician in 2024

1,326 Medicare Part D claims for 286 beneficiaries, against an average of 940 among the 13,923 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Eric Alter1,326
  2. Specialty average940

Most prescribed

  1. Atorvastatin Calcium196 claims
  2. Metoprolol Succinate124 claims
  3. Amlodipine Besylate98 claims
  4. Eliquis94 claims
  5. Rosuvastatin Calcium70 claims
  6. Ezetimibe63 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.

Industry payments in 2024: $120.32

5 payments, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 5,522 providers of this specialty with any payment received $807.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eric Alter$120.32
  2. Specialty average$807.73

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Hartford Healthcare Medical Group Specialists PLLCStorrs, CT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hospitalist Physician providers in Connecticut

There are 311 hospitalist physician records in Connecticut.

Other hospitalist physician records in Connecticut

  1. Lilyan AbrahamFarmington, CT1447693254
  2. Suja Abraham, MDStamford, CT1568537090
  3. Adam Ackerman, MDNew Haven, CT1497982235
  4. Nana Addo, M.DNorwalk, CT1538789052
  5. Santosh Adhikari, MDHartford, CT1487331450
  6. Edin AdilovicBridgeport, CT1962993592
  7. Fernando Afonso, M.D.Danbury, CT1992980536
  8. Mohamed Ahmed, M.D.Danbury, CT1235391756
  9. Folasade Ajayi, M.D.Farmington, CT1275762239
  10. Mhd Yassin Al Mouslmani, M.DNew Haven, CT1326593476

Common questions

What is Eric Alter's NPI number?

Eric Alter's National Provider Identifier (NPI) is 1225370901, issued on Mar 20, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Eric Alter located?

The NPPES record lists a practice address at 425 Post RD, Fairfield, CT, 06824. Phone: (203) 254-2452. Providers update this record themselves, so call before visiting.

How can I verify Eric Alter's license?

NPPES lists Connecticut license number 64865, 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 Eric Alter prescribe under Medicare Part D?

In 2024, Eric Alter had 1,326 Medicare Part D claims for 286 beneficiaries; the average among hospitalist physician prescribers was 940. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.