Registry data as of Aug 27, 2026

Anna Hallemeier, MD

Internal Medicine Physician · Simsbury, CT

Anna Hallemeier, MD is an internal medicine physician with a practice address in Simsbury, Connecticut, and NPI 1649333600, issued on Dec 19, 2006. Check the license (Connecticut 044724, 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
1649333600
Name
Anna Hallemeier
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
044724 CT
044724 MA
234053 MA
Self-reported in NPPES; status is on the state search
Practice location
720 Hopmeadow St, Simsbury, CT 06070
Phone
(860) 651-3519
Enumerated
Dec 19, 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.
Download card Updates feed

Also registered at 720 Hopmeadow St

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

  1. Donna Bouchard, APRNPsychiatric/Mental Health Nurse Practitioner1841535374
  2. John Cappadona, M.D.Internal Medicine Physician1477667699
  3. Suzanne Chester, D.C.Chiropractor1114961521
  4. Linda Kowalczuk, APRNAdult Health Nurse Practitioner1124171103
  5. Kerra Maurer, APRN, AGPCNP-BCGerontology Nurse Practitioner1649656414
  6. Patricia Shea, PA-CMedical Physician Assistant1679721021

Verify Anna Hallemeier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 044724
    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.

2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

5,838 Medicare Part D claims for 500 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 57 claims were for opioids.

  1. Anna Hallemeier5,838
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium420 claims
  2. Amlodipine Besylate280 claims
  3. Levothyroxine Sodium254 claims
  4. Rosuvastatin Calcium245 claims
  5. Losartan Potassium223 claims
  6. Omeprazole157 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 Medicare quality score for 2023: 79.3 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.

  1. Qualityout of 100 · 30% of the final score69.2
  2. Costout of 100 · 30%48.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

2 hospital and facility affiliations

  1. Mclean FundSimsbury, CT
  2. University OF Connecticut Health CenterSimsbury, 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.

4 internal medicine physician records list a Simsbury practice address

They are 4 of the 180 NPPES records with a Simsbury practice address, and 2,830 internal medicine physician records in Connecticut.

Other internal medicine physician records in Connecticut

  1. Christina AbavanaBridgeport, CT1508206574
  2. Hoda Abdel Salam, M.D.New Britain, CT1144509316
  3. Gada Abdelhafiz, MDNew London, CT1467649558
  4. Mahmoud Abdelrahman, MDBridgeport, CT1467072868
  5. Simon Abi-SalehBridgeport, CT1891315529
  6. Gerard Abidor, D.O.Bridgeport, CT1518014539
  7. Richard Abraham, M.D.Canton, CT1023044252
  8. Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
  9. Nila Aburto, MDStamford, CT1396325718
  10. Angelo Accomando, M.D.East Haven, CT1063454247

Common questions

What is Anna Hallemeier, MD's NPI number?

Anna Hallemeier, MD's National Provider Identifier (NPI) is 1649333600, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anna Hallemeier, MD located?

The NPPES record lists a practice address at 720 Hopmeadow St, Simsbury, CT, 06070. Phone: (860) 651-3519. Providers update this record themselves, so call before visiting.

How can I verify Anna Hallemeier, MD's license?

NPPES lists Connecticut license number 044724, 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 Anna Hallemeier, MD prescribe under Medicare Part D?

In 2024, Anna Hallemeier, MD had 5,838 Medicare Part D claims for 500 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Anna Hallemeier, MD's Medicare quality score?

The 2023 MIPS final score is 79.3 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), 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.