Dorothy M. Christiansen, MD
Rheumatology Physician · Groton, MA
Dorothy M. Christiansen, MD is a rheumatology physician with a practice address in Groton, Massachusetts, and NPI 1558348953, issued on Dec 27, 2005. Check the license (Massachusetts 76330, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Dorothy M. Christiansen
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 76330 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Boston RD, Groton, MA 01450
- Phone
- (978) 448-4300
- Enumerated
- Dec 27, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (978) 448-4040
- Medicaid ID
- 3097668 MA
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 100 Boston RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Amorosino, M.D.Pediatrics Physician1487601845
- Mark Francis, MDPediatrics Physician1104813302
- Thomas Goodman, MDRheumatology Physician1194702555
- Beverly Harris, NPAdult Health Nurse Practitioner1255585485
- Alfred Heinser, MDInternal Medicine Physician1871570218
- Karen Hiltunen, MDPediatrics Physician1700864154
Verify Dorothy M. Christiansen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 76330Check 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: $29.61
1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Dorothy M. Christiansen among 343 rheumatology physician records in Massachusetts
Dorothy M. Christiansen, MD is one of 343 rheumatology 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 rheumatology physician records list a practice address in Groton
They are 2 of the 140 NPPES records with a practice address in Groton, and 343 rheumatology physician records in Massachusetts.
All 343 in Massachusetts → Every provider in Groton → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Thomas Goodman, MDGroton, MA 014501194702555
- Alice Williams, MDLeominster, MA 014531184670861
- Maria Abruzzo, M.D.Gardner, MA 014401215036132
- Allan Ramey, M.D.Lancaster, MA 015231134176829
- Daniel Sheff, MDConway, MA 013411851366165
- Mark Yun, MDSturbridge, MA 015661326538687
- Arash MollaeianUxbridge, MA 015691063917854
- Samuel Poon, M.D.Webster, MA 015701548392020
Common questions
What is Dorothy M. Christiansen, MD's NPI number?
Dorothy M. Christiansen, MD's National Provider Identifier (NPI) is 1558348953, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dorothy M. Christiansen, MD located?
The NPPES record lists a practice address at 100 Boston RD, Groton, MA, 01450. Phone: (978) 448-4300. Providers update this record themselves, so call before visiting.
How can I verify Dorothy M. Christiansen, MD's license?
NPPES lists Massachusetts license number 76330, 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.