NPPES file of Aug 9, 2026

Yesenia Greeff, M.D.

Gastroenterology Physician · Springfield, MA

Yesenia Greeff, M.D. is a gastroenterology physician with a practice address in Springfield, Massachusetts, and NPI 1598026494, issued on Jun 6, 2012. Check the license (Massachusetts 261501, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1598026494
Name
Yesenia Greeff
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
261501 MA
Self-reported in NPPES; status is on the state search
Practice location
3300 Main St Ste 3A, Springfield, MA 01199
Phone
(413) 794-7364
Enumerated
Jun 6, 2012
Record last updated
Aug 2, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(413) 794-7482
Medicare enrollment
Enrolled (PECOS I20180607002650); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2012
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 3300 Main St Ste 3A

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

  1. Stephanie Darley, PHARMD, CDCESPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1114473683
  2. Jenna Lee, PHARMD, BCPSPharmacist1861124513

Verify Yesenia Greeff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 261501
    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 Massachusetts license search

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5% fewer Medicare Part D claims than the average gastroenterology physician in 2024

768 Medicare Part D claims for 263 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Yesenia Greeff768
  2. Specialty average811

Most prescribed

  1. Omeprazole128 claims
  2. Gavilyte-G91 claims
  3. Pantoprazole Sodium73 claims
  4. Linzess55 claims
  5. Peg 3350-Electrolyte37 claims
  6. Ursodiol23 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: $70.00

1 payment: food and beverage; the largest payer was Echosens North America, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yesenia Greeff$70.00
  2. Specialty average$5,015.95

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. Baystate Medical Practices IncSpringfield, MA

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

Gastroenterology Physician providers in Massachusetts

There are 686 gastroenterology physician records in Massachusetts.

Other gastroenterology physician records in Massachusetts

  1. Robert Aaron, MDStoneham, MA1962694323
  2. Michael Aaronson, MDBeverly, MA1366547739
  3. Diane Abraczinskas, MDBoston, MA1811988488
  4. Nitin Aggarwal, M.D.North Chelmsford, MA1407145402
  5. Jaya Agrawal, M.D.Florence, MA1316979842
  6. Heidi Ahmed, M.D.North Chelmsford, MA1801276472
  7. Lynne Ahn, MDFramingham, MA1144269143
  8. Hiroyuki Aihara, M.D.Boston, MA1619395795
  9. Mona AkbariSouth Weymouth, MA1871720037
  10. Geetanjali Akerkar, M.D.Chelmsford, MA1144289166

Common questions

What is Yesenia Greeff, M.D.'s NPI number?

Yesenia Greeff, M.D.'s National Provider Identifier (NPI) is 1598026494, issued on Jun 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Yesenia Greeff, M.D. located?

The NPPES record lists a practice address at 3300 Main St Ste 3A, Springfield, MA, 01199. Phone: (413) 794-7364. Providers update this record themselves, so call before visiting.

How can I verify Yesenia Greeff, M.D.'s license?

NPPES lists Massachusetts license number 261501, 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 Yesenia Greeff, M.D. prescribe under Medicare Part D?

In 2024, Yesenia Greeff, M.D. had 768 Medicare Part D claims for 263 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.