NPPES file of Aug 9, 2026

Larry F. Thiesen, MD

Anesthesiology Physician · Fall River, MA

Larry F. Thiesen, MD is an anesthesiology physician with a practice address in Fall River, Massachusetts, and NPI 1073513438, issued on Jul 28, 2005. Check the license (Massachusetts 209411, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1073513438
Name
Larry F. Thiesen
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
209411 MA
Self-reported in NPPES; status is on the state search
Practice location
363 Highland Ave, Fall River, MA 02720
Phone
(508) 973-7558
Enumerated
Jul 28, 2005
Record last updated
Apr 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(508) 973-7147
Medicaid ID
0199290 MA
Medicare enrollment
Enrolled (PECOS I20100227000097); accepts Medicare assignment
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 363 Highland Ave

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

  1. Elaine Allendorf, NPOccupational Health Nurse Practitioner1104944115
  2. Helena Almeida, LCSWClinical Social Worker1134421290
  3. Catherine Alteri, ANPFamily Nurse Practitioner1497961148
  4. Sandra Alua, P.A.Physician Assistant1376867176
  5. Emily Alves, PAPhysician Assistant1639511678
  6. Michael Andrescavage, DNP, CRNAStudent in an Organized Health Care Education/Training Program1427943315

Verify Larry F. Thiesen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 209411
    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 Massachusetts 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.

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Bills Medicare through one group practice

  1. Southcoast Physicians Group IncFall River, MA

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

Larry F. Thiesen among 2,089 anesthesiology physician records in Massachusetts

Larry F. Thiesen, MD is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1988 · median 2008 among the 1,472 with a school on file
  • Record last updated2020 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

28 anesthesiology physician records list a practice address in Fall River

They are 28 of the 3,032 NPPES records with a practice address in Fall River, and 2,089 anesthesiology physician records in Massachusetts.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. George Botros, MDFall River, MA 027201780681742
  2. Donald Cappadona, MDFall River, MA 027201902806342
  3. Henry Crowley, DOFall River, MA 027201215937941
  4. Ben Kaon, M.D.Fall River, MA 027201801894399
  5. Kristen Kenyon, M.D.Fall River, MA 027201164424008
  6. Mokbel Matta, MDFall River, MA 027201619961158
  7. Thomas McNabb, MDFall River, MA 027201154309417
  8. Nodari Mikhelashvili, M.D.Fall River, MA 027201285632059

Common questions

What is Larry F. Thiesen, MD's NPI number?

Larry F. Thiesen, MD's National Provider Identifier (NPI) is 1073513438, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Larry F. Thiesen, MD located?

The NPPES record lists a practice address at 363 Highland Ave, Fall River, MA, 02720. Phone: (508) 973-7558. Providers update this record themselves, so call before visiting.

How can I verify Larry F. Thiesen, MD's license?

NPPES lists Massachusetts license number 209411, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.