NPPES file of Aug 9, 2026

Elizabeth Thidemann, PA-C

Medical Physician Assistant · Cambridge, MA

Elizabeth Thidemann, PA-C is a medical physician assistant with a practice address in Cambridge, Massachusetts, and NPI 1629791975, issued on Sep 21, 2022. Check the license (Massachusetts PA100051, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1629791975
Name
Elizabeth Thidemann
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
PA100051 MA
Self-reported in NPPES; status is on the state search
Practice location
725 Concord Ave Ste 6100, Cambridge, MA 02138
Phone
(617) 864-8822
Enumerated
Sep 21, 2022
Record last updated
Aug 29, 2024
Fax
(617) 491-4692
Medicare enrollment
Enrolled (PECOS I20240610002981); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 725 Concord Ave Ste 6100

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

  1. Songprod Lorgunpai, M.D.Internal Medicine Physician1225423015
  2. Emily Marbas, MDFamily Medicine Physician1891374765
  3. Martha Martents, M.D.Internal Medicine Physician1700964848
  4. Sarah McArdle, LICSWClinical Social Worker1316526411

Verify Elizabeth Thidemann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license PA100051
    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 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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73% fewer Medicare Part D claims than the average medical physician assistant in 2024

315 Medicare Part D claims for 154 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 11 claims were for opioids.

  1. Elizabeth Thidemann315
  2. Specialty average1,148

Most prescribed

  1. Amoxicillin-Clavulanate Potass23 claims
  2. Sulfamethoxazole-Trimethoprim14 claims
  3. Azithromycin13 claims
  4. Levothyroxine Sodium13 claims
  5. Furosemide12 claims
  6. Losartan Potassium12 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. Mount Auburn Professional Services IncLexington, MA

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

Elizabeth Thidemann among 886 medical physician assistant records in Massachusetts

Elizabeth Thidemann, PA-C is one of 886 medical physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.

  • NPI issued2022 · 85% of these records are older, 10% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2023 · median 2015 among the 559 with a school on file
  • Record last updated2024 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Massachusetts

There are 886 medical physician assistant records in Massachusetts.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Louise Dias, PACambridge, MA 021381063614188
  2. Sara Lafreniere, PACambridge, MA 021381285243311
  3. Kathryn Moore, PA-CCambridge, MA 021381699307538
  4. Pamela Slatcher, PACambridge, MA 021381932164357
  5. Hayden Smith, PACambridge, MA 021381679225015
  6. Karen Haessler, PA-CCambridge, MA 021391669844064
  7. Emily Hanson, PA-CCambridge, MA 021391760876437
  8. George Taylor, PA-CCambridge, MA 021391598731143

Common questions

What is Elizabeth Thidemann, PA-C's NPI number?

Elizabeth Thidemann, PA-C's National Provider Identifier (NPI) is 1629791975, issued on Sep 21, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Thidemann, PA-C located?

The NPPES record lists a practice address at 725 Concord Ave Ste 6100, Cambridge, MA, 02138. Phone: (617) 864-8822. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Thidemann, PA-C's license?

NPPES lists Massachusetts license number PA100051, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Thidemann, PA-C prescribe under Medicare Part D?

In 2024, Elizabeth Thidemann, PA-C had 315 Medicare Part D claims for 154 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.