NPPES file of Aug 9, 2026

Katherine Vansavage, MD

Obstetrics & Gynecology Physician · N Chelmsford, MA

Katherine Vansavage, MD is an obstetrics & gynecology physician with a practice address in N Chelmsford, Massachusetts, and NPI 1982622841, issued on Jul 18, 2006. Check the license (Massachusetts 213494, 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
1982622841
Name
Katherine Vansavage
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
213494 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Research PL Ste 320, N Chelmsford, MA 01863
Phone
(978) 256-1858
Enumerated
Jul 18, 2006
Record last updated
Nov 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(978) 788-7890
Medicaid ID
0170178 MA
Medicare enrollment
Enrolled (PECOS I20040907000699); may accept Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 1998
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 20 Research PL Ste 320

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

  1. Karen Fortune, MDSpecialist1316901127

Verify Katherine Vansavage 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 213494
    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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79% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

35 Medicare Part D claims for 22 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Katherine Vansavage35
  2. Specialty average165

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: $47.26

2 payments; by number, the most common kind was food and beverage; the largest payer was Minerva Surgical, 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. Katherine Vansavage$47.26
  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. Circle Health Obgyn, LLC.North Chelmsford, MA

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

Katherine Vansavage among 1,127 obstetrics & gynecology physician records in Massachusetts

Katherine Vansavage, MD is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 50% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1998 · median 2004 among the 715 with a school on file
  • Record last updated2020 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 obstetrics & gynecology physician record lists a practice address in N Chelmsford

They are 1 of the 66 NPPES records with a practice address in N Chelmsford, and 1,127 obstetrics & gynecology physician records in Massachusetts.

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

  1. Kristin D'Orsi, D.O.North Chelmsford, MA 018631649533928
  2. Nonnie Estella, MDNorth Chelmsford, MA 018631568464881
  3. Briana Perry, MDNorth Chelmsford, MA 018631336643808
  4. Sandra Nagler, M.D.North Reading, MA 018641104880798
  5. Roy Epstein, MDReading, MA 018671558342709
  6. Anne Kubik, M.D.Reading, MA 018671386661247
  7. Elizabeth Emberley, DOLowell, MA 018541326337098
  8. Carlos Madrid, M.D.Lowell, MA 018541902831969

Common questions

What is Katherine Vansavage, MD's NPI number?

Katherine Vansavage, MD's National Provider Identifier (NPI) is 1982622841, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Vansavage, MD located?

The NPPES record lists a practice address at 20 Research PL Ste 320, N Chelmsford, MA, 01863. Phone: (978) 256-1858. Providers update this record themselves, so call before visiting.

How can I verify Katherine Vansavage, MD's license?

NPPES lists Massachusetts license number 213494, 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 Katherine Vansavage, MD prescribe under Medicare Part D?

In 2024, Katherine Vansavage, MD had 35 Medicare Part D claims for 22 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.