Vanessa Ajemian Barss, M.D.
Maternal & Fetal Medicine Physician · Lexington, MA
Vanessa Ajemian Barss, M.D. is a maternal & fetal medicine physician with a practice address in Lexington, Massachusetts, and NPI 1871681676, issued on Oct 10, 2006. Check the license (Massachusetts 47537, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Vanessa Ajemian Barss
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 47537 MA
Self-reported in NPPES; status is on the state search - Practice location
- 9 Clematis RD, Lexington, MA 02421
- Phone
- (781) 861-0861
- Enumerated
- Oct 10, 2006
- Record last updated
- Sep 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 92 in Massachusetts → Look up another NPI →
Verify Vanessa Ajemian Barss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 47537Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $42.42
1 payment: food and beverage; the largest payer was Pfizer Inc. The 784 providers of this specialty with any payment received $1,252.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Vanessa Ajemian Barss among 92 maternal & fetal medicine physician records in Massachusetts
Vanessa Ajemian Barss, M.D. is one of 92 maternal & fetal medicine physician records with a practice address in Massachusetts. 89% 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, 54% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 82% of these records are
- Record last updated2008 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Massachusetts
There are 92 maternal & fetal medicine physician records in Massachusetts.
All 92 in Massachusetts → Every provider in Lexington → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Bruce Cohen, M.D.Brookline, MA 024451407895741
- Julie Stone, M.D.Brockton, MA 023011851710081
- Ai-Ris Collier, M.D.Boston, MA 022151750675351
- Uma Deshmukh, M.D.Boston, MA 022151437538949
- Cassandra Duffy, M.D. M.P.H.Boston, MA 022151770840274
- Millie Ferres, M.D.Boston, MA 022151568789337
- Taylor Freret, MED, MD 2017Boston, MA 022151144761479
- Sarah Little, MDBoston, MA 022151396936415
Common questions
What is Vanessa Ajemian Barss, M.D.'s NPI number?
Vanessa Ajemian Barss, M.D.'s National Provider Identifier (NPI) is 1871681676, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vanessa Ajemian Barss, M.D. located?
The NPPES record lists a practice address at 9 Clematis RD, Lexington, MA, 02421. Phone: (781) 861-0861. Providers update this record themselves, so call before visiting.
How can I verify Vanessa Ajemian Barss, M.D.'s license?
NPPES lists Massachusetts license number 47537, 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.
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.