NPPES file of Aug 9, 2026

Mariah Greenwood, PA

Physician Assistant · New London, CT

Mariah Greenwood, PA is a physician assistant with a practice address in New London, Connecticut, and NPI 1497436265, issued on Jul 26, 2023. Check the license with the Connecticut 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
1497436265
Name
Mariah Greenwood
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
Practice location
194 Howard St, New London, CT 06320
Phone
(860) 444-3392
Enumerated
Jul 26, 2023
Record last updated
Jul 31, 2023
Medicare enrollment
Enrolled (PECOS I20231006002825); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2022
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 194 Howard St

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

  1. Wilton Calderon, D.O.Family Medicine Physician1134392046
  2. H. Carter, M.D.Internal Medicine Physician1487750733
  3. Lucinda Cavanaugh, APRNFamily Nurse Practitioner1124736863
  4. Olivia Coiculescu, M.D.Neurology Physician1639338858
  5. Scott Credit, APRNFamily Nurse Practitioner1811976111
  6. Samuel Dengler, M.D.Internal Medicine Physician1376993618

Verify Mariah Greenwood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck 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 Connecticut license search

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16% fewer Medicare Part D claims than the average physician assistant in 2024

700 Medicare Part D claims for 153 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Mariah Greenwood700
  2. Specialty average830

Most prescribed

  1. Gabapentin122 claims
  2. Clonazepam100 claims
  3. Pramipexole Dihydrochloride75 claims
  4. Zolpidem Tartrate46 claims
  5. Alprazolam41 claims
  6. Modafinil40 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: $122.84

1 payment: food and beverage; the largest payer was Inspire Medical Systems, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mariah Greenwood$122.84
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Northeast Medical Group IncNew London, CT

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

Mariah Greenwood among 2,047 physician assistant records in Connecticut

Mariah Greenwood, PA is one of 2,047 physician assistant records with a practice address in Connecticut. 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 2023, is newer than 77% of them.

  • NPI issued2023 · 77% of these records are older, 18% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2022 · median 2018 among the 1,338 with a school on file
  • Record last updated2023 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 physician assistant records list a practice address in New London

They are 45 of the 1,218 NPPES records with a practice address in New London, and 2,047 physician assistant records in Connecticut.

The 8 physician assistant records with the nearest ZIP codes

  1. Seth Dubin, PA-CNew London, CT 063201619308178
  2. Alexander Ejzak, P.A.New London, CT 063201083860761
  3. Kate Felter, PA-CNew London, CT 063201194033738
  4. Ellen Gingerella, PA-CNew London, CT 063201790062768
  5. Robert Ginther, PANew London, CT 063201568891729
  6. Katheryn Grossman, PA-CNew London, CT 063201124370275
  7. John Kawa, PA-CNew London, CT 063201366722456
  8. Alan Lozano, PA-CNew London, CT 063201275843633

Common questions

What is Mariah Greenwood, PA's NPI number?

Mariah Greenwood, PA's National Provider Identifier (NPI) is 1497436265, issued on Jul 26, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mariah Greenwood, PA located?

The NPPES record lists a practice address at 194 Howard St, New London, CT, 06320. Phone: (860) 444-3392. Providers update this record themselves, so call before visiting.

How can I verify Mariah Greenwood, PA's license?

Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Mariah Greenwood, PA prescribe under Medicare Part D?

In 2024, Mariah Greenwood, PA had 700 Medicare Part D claims for 153 beneficiaries; the average among physician assistant prescribers was 830. 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.