Gert-Paul Walter
Emergency Medicine Physician · Concord, MA
Gert-Paul Walter is an emergency medicine physician with a practice address in Concord, Massachusetts, and NPI 1851493498, issued on Sep 3, 2006. Check the license (Massachusetts 81645, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Gert-Paul Walter
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 81645 MA
Self-reported in NPPES; status is on the state search - Practice location
- 133 Old Road TO 9 Acre Cor, Concord, MA 01742
- Phone
- (978) 287-3694
- Enumerated
- Sep 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 133 Old Road TO 9 Acre Cor
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie Aguirre, PA-CPhysician Assistant1467281691
- Michelle Allanbrook, RNRegistered Nurse1053833905
- David Barash, M.D.Emergency Medicine Physician1699756296
- Joseph Bergen, D.O.Emergency Medicine Physician1518921972
- Seamus Bergen, RNPsychiatric/Mental Health Registered Nurse1528638467
- Tanya Bergen, LICSWMental Health Counselor1861742140
Verify Gert-Paul Walter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 81645Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average emergency medicine physician in 2024
129 Medicare Part D claims for 78 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Progesterone47 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.
Industry payments in 2024: $412.95
3 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gert-Paul Walter among 1,829 emergency medicine physician records in Massachusetts
Gert-Paul Walter is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 emergency medicine physician records list a practice address in Concord
They are 17 of the 1,078 NPPES records with a practice address in Concord, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Concord → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Amoroso, MDConcord, MA 017421497719033
- David Barash, M.D.Concord, MA 017421699756296
- Joseph Bergen, D.O.Concord, MA 017421518921972
- Thomas Buckley, MDConcord, MA 017421750312443
- Robert Collins, M.D.Concord, MA 017421750320289
- Margaret Dozark, M.D.Concord, MA 017421700818051
- Deborah Gobetz, MDConcord, MA 017421619077971
- Deborah Greene, M.D.Concord, MA 017421154369452
Common questions
What is Gert-Paul Walter's NPI number?
Gert-Paul Walter's National Provider Identifier (NPI) is 1851493498, issued on Sep 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gert-Paul Walter located?
The NPPES record lists a practice address at 133 Old Road TO 9 Acre Cor, Concord, MA, 01742. Phone: (978) 287-3694. Providers update this record themselves, so call before visiting.
How can I verify Gert-Paul Walter's license?
NPPES lists Massachusetts license number 81645, 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.
How much does Gert-Paul Walter prescribe under Medicare Part D?
In 2024, Gert-Paul Walter had 129 Medicare Part D claims for 78 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.