NPPES file of Aug 9, 2026

Mary Christina Simpson, M.D.

Obstetrics & Gynecology Physician · Wakefield, RI

Mary Christina Simpson, M.D. is an obstetrics & gynecology physician with a practice address in Wakefield, Rhode Island, and NPI 1477732493, issued on Oct 25, 2007. Check the license (Rhode Island MD12579, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1477732493
Name
Mary Christina Simpson
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
MD12579 RI
273304 MA
Self-reported in NPPES; status is on the state search
Practice location
155 Main St, Wakefield, RI 02879
Phone
(401) 782-2400
Enumerated
Oct 25, 2007
Record last updated
Nov 14, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mary Christina Simpson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD12579
    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 Rhode Island 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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83% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

28 Medicare Part D claims for 11 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mary Christina Simpson28
  2. Specialty average165

Most prescribed

  1. Progesterone16 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: $383.78

15 payments; by number, the most common kind was food and beverage; the largest payer was Revance Therapeutics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Christina Simpson$383.78
  2. Specialty average$1,030.61

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

Mary Christina Simpson among 205 obstetrics & gynecology physician records in Rhode Island

Mary Christina Simpson, M.D. is one of 205 obstetrics & gynecology physician records with a practice address in Rhode Island. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 49% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2023 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 obstetrics & gynecology physician records list a practice address in Wakefield

They are 8 of the 556 NPPES records with a practice address in Wakefield, and 205 obstetrics & gynecology physician records in Rhode Island.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Megin Dalton, M.D.Wakefield, RI 028791588892202
  2. Jeffrey Joseph, M.D.Wakefield, RI 028791689780165
  3. Kaitlin Lee, M.D.Wakefield, RI 028791710203666
  4. Andrew Neuhauser, M.D.Wakefield, RI 028791578547592
  5. Robert O'Neill, MDWakefield, RI 028791528156742
  6. Lisa Rameaka, M.D.Wakefield, RI 028791871609362
  7. Steven Schneider, MDWakefield, RI 028791063421659
  8. Carolyn Howard, MDKingston, RI 028811689774473

Common questions

What is Mary Christina Simpson, M.D.'s NPI number?

Mary Christina Simpson, M.D.'s National Provider Identifier (NPI) is 1477732493, issued on Oct 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mary Christina Simpson, M.D. located?

The NPPES record lists a practice address at 155 Main St, Wakefield, RI, 02879. Phone: (401) 782-2400. Providers update this record themselves, so call before visiting.

How can I verify Mary Christina Simpson, M.D.'s license?

NPPES lists Rhode Island license number MD12579, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Christina Simpson, M.D. prescribe under Medicare Part D?

In 2024, Mary Christina Simpson, M.D. had 28 Medicare Part D claims for 11 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.