NPPES file of Aug 9, 2026

Jacob Bartel Lotstein, M.D.

Emergency Medicine Physician · Danbury, CT

Jacob Bartel Lotstein, M.D. is an emergency medicine physician with a practice address in Danbury, Connecticut, and NPI 1013353028, issued on May 16, 2013. Check the license (Connecticut 55147, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013353028
Name
Jacob Bartel Lotstein
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
55147 CT
Self-reported in NPPES; status is on the state search
Practice location
24 Hospital Ave, Danbury, CT 06810
Phone
(203) 739-7100
Enumerated
May 16, 2013
Record last updated
Jul 11, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160502001711); accepts Medicare assignment
Medical or professional school
New York Medical College, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 24 Hospital Ave

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

  1. Jacqueline AddonaStudent in an Organized Health Care Education/Training Program1669232443
  2. Fernando Afonso, M.D.Internal Medicine Physician1992980536
  3. Alka Aggarwal, MDInternal Medicine Physician1427041987
  4. Mohamed Ahmed, M.D.Internal Medicine Physician1235391756
  5. Syed Rakin Ahmed, MD, PHDStudent in an Organized Health Care Education/Training Program1518809870
  6. Gregory Albert, MDAnesthesiology Physician1588797930

Verify Jacob Bartel Lotstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 55147
    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

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13% fewer Medicare Part D claims than the average emergency medicine physician in 2024

196 Medicare Part D claims for 131 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 18 claims were for opioids.

  1. Jacob Lotstein196
  2. Specialty average226

Most prescribed

  1. Prednisone20 claims
  2. Sulfamethoxazole-Trimethoprim16 claims
  3. Azithromycin12 claims
  4. Sucralfate11 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 one group practice

  1. Bluewater Emergency Partners OF Brunswick, LLCRumford, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jacob Bartel Lotstein among 846 emergency medicine physician records in Connecticut

Jacob Bartel Lotstein, M.D. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 64% of them.

  • NPI issued2013 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2013 · median 2011 among the 574 with a school on file
  • Record last updated2016 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Connecticut

There are 846 emergency medicine physician records in Connecticut.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. David Barrett, MDDanbury, CT 068101851475453
  2. Andrew Caligiuri, D.O.Danbury, CT 068101003052135
  3. Bernard Cieniawa, DODanbury, CT 068101457384653
  4. Bucky Ferozan, D.O.Danbury, CT 068101891063848
  5. Syeda Hasan, DODanbury, CT 068101558686956
  6. Reedada Idriss, MDDanbury, CT 068101629280995
  7. Samuel Jones, M.D.Danbury, CT 068101174548945
  8. Benjamin Kliot, M.D.Danbury, CT 068101093813255

Common questions

What is Jacob Bartel Lotstein, M.D.'s NPI number?

Jacob Bartel Lotstein, M.D.'s National Provider Identifier (NPI) is 1013353028, issued on May 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Jacob Bartel Lotstein, M.D. located?

The NPPES record lists a practice address at 24 Hospital Ave, Danbury, CT, 06810. Phone: (203) 739-7100. Providers update this record themselves, so call before visiting.

How can I verify Jacob Bartel Lotstein, M.D.'s license?

NPPES lists Connecticut license number 55147, 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 Jacob Bartel Lotstein, M.D. prescribe under Medicare Part D?

In 2024, Jacob Bartel Lotstein, M.D. had 196 Medicare Part D claims for 131 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.