NPPES file of Aug 9, 2026

Marsilia Seiwell Cloud, MD

Obstetrics & Gynecology Physician · Amherst, NY

Marsilia Seiwell Cloud, MD is an obstetrics & gynecology physician with a practice address in Amherst, New York, and NPI 1043257462, issued on Jun 2, 2006. Check the license (New York 228524, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1043257462
Name
Marsilia Seiwell Cloud
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
228524 NY
Self-reported in NPPES; status is on the state search
Practice location
4575 Main St Ste 1, Amherst, NY 14226
Phone
(716) 633-4575
Enumerated
Jun 2, 2006
Record last updated
Jul 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(716) 633-4576
Medicare enrollment
Enrolled (PECOS I20050525000411); may accept Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 1999
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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Verify Marsilia Seiwell Cloud in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 228524
    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 New York license search

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12% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

146 Medicare Part D claims for 61 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Marsilia Cloud146
  2. Specialty average165

Most prescribed

  1. Estradiol33 claims
  2. Valacyclovir13 claims
  3. Fluconazole11 claims
  4. Premarin11 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: $238.67

8 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US 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. Marsilia Cloud$238.67
  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.

Bills Medicare through one group practice

  1. Buffalo Obgyn LLPAmherst, NY

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

Marsilia Seiwell Cloud among 3,174 obstetrics & gynecology physician records in New York

Marsilia Seiwell Cloud, MD is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% 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, 49% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1999 · median 2002 among the 1,870 with a school on file
  • Record last updated2021 · 63% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in New York

There are 3,174 obstetrics & gynecology physician records in New York.

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

  1. Chantal Bartels, M.D.Buffalo, NY 142261598102196
  2. Ida Campagna, MDAmherst, NY 142261275503708
  3. Ellen Devere, M.D.Amherst, NY 142261285842500
  4. Lisa Gelman-Koessler, M.D.Amherst, NY 142261518163419
  5. Adam Griffin, MDSnyder, NY 142261356376313
  6. Rosann Lana, M.D.Amherst, NY 142261144422296
  7. Stephen Mechtler, MDAmherst, NY 142261558321372
  8. Nirmala Mudaliar, MDAmherst, NY 142261699721803

Common questions

What is Marsilia Seiwell Cloud, MD's NPI number?

Marsilia Seiwell Cloud, MD's National Provider Identifier (NPI) is 1043257462, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marsilia Seiwell Cloud, MD located?

The NPPES record lists a practice address at 4575 Main St Ste 1, Amherst, NY, 14226. Phone: (716) 633-4575. Providers update this record themselves, so call before visiting.

How can I verify Marsilia Seiwell Cloud, MD's license?

NPPES lists New York license number 228524, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marsilia Seiwell Cloud, MD prescribe under Medicare Part D?

In 2024, Marsilia Seiwell Cloud, MD had 146 Medicare Part D claims for 61 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.