Registry data as of Aug 27, 2026

Jeffrey Sievering, PA-C, MMS

Medical Physician Assistant · Somers, CT

Jeffrey Sievering, PA-C, MMS is a medical physician assistant with a practice address in Somers, Connecticut, and NPI 1831253517, issued on Dec 20, 2006. Check the license (Connecticut 1377, as entered in NPPES) with the Connecticut board that licenses this profession; 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
1831253517
Name
Jeffrey Sievering
Credential
PA-C, MMS
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
1377 CT
PA02128 TX
Self-reported in NPPES; status is on the state search
Practice location
25 Somers Hill Cir, Somers, CT 06071
Phone
(860) 763-0349
Enumerated
Dec 20, 2006
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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Verify Jeffrey Sievering in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 1377
    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
Find 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.

20% fewer Medicare Part D claims than the average medical physician assistant in 2024

914 Medicare Part D claims for 605 beneficiaries, against an average of 1,139 among the 25,090 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 12 claims were for opioids.

  1. Jeffrey Sievering914
  2. Specialty average1,139

Most prescribed

  1. Prednisone115 claims
  2. Fluticasone Propionate96 claims
  3. Nitrofurantoin Mono-Macro40 claims
  4. Azithromycin34 claims
  5. Doxycycline Monohydrate29 claims
  6. Cephalexin28 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.

2 hospital and facility affiliations

  1. Afc Physicians OF Connecticut PCVernon, CT
  2. Prohealth Physicians PCWinsted, 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.

2 medical physician assistant records list a Somers practice address

They are 2 of the 46 NPPES records with a Somers practice address, and 921 medical physician assistant records in Connecticut.

Other medical physician assistant records in Connecticut

  1. Shalima AbdallaWaterbury, CT1083237861
  2. Samantha Abraham, PA-CNew Britain, CT1922580984
  3. Elaine Accorsini, P.A.Norwalk, CT1891876876
  4. Allison Adajian, PA-CHartford, CT1619129582
  5. Stacy Adil, PA-CNew Haven, CT1093943193
  6. Eleanor Adzamli-Wefum, PA-CHartford, CT1023820404
  7. Claribel Agosto, RPA-CBridgeport, CT1538410865
  8. Amelia Ahern, PA-CHartford, CT1316561251
  9. Kamruz Ahmed, PA-CStamford, CT1063975381
  10. Florence Ahn, PA-CNew Haven, CT1649818634

Common questions

What is Jeffrey Sievering, PA-C, MMS's NPI number?

Jeffrey Sievering, PA-C, MMS's National Provider Identifier (NPI) is 1831253517, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Sievering, PA-C, MMS located?

The NPPES record lists a practice address at 25 Somers Hill Cir, Somers, CT, 06071. Phone: (860) 763-0349. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Sievering, PA-C, MMS's license?

NPPES lists Connecticut license number 1377, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Jeffrey Sievering, PA-C, MMS prescribe under Medicare Part D?

In 2024, Jeffrey Sievering, PA-C, MMS had 914 Medicare Part D claims for 605 beneficiaries; the average among medical physician assistant prescribers was 1,139. 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.