Karen Quillen, M.D.
Blood Banking & Transfusion Medicine Physician · Boston, MA
Karen Quillen, M.D. is a blood banking & transfusion medicine physician with a practice address in Boston, Massachusetts, and NPI 1750354130, issued on Feb 8, 2006. Check the license (Massachusetts 154579, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Quillen
- Credential
- M.D.
- Primary taxonomy
- Blood Banking & Transfusion Medicine Physician 207ZB0001X
- License number
- 154579 MA
Self-reported in NPPES; status is on the state search - Practice location
- 133 Brookline Ave, Boston, MA 02215
- Phone
- (671) 421-5950
- Enumerated
- Feb 8, 2006
- Record last updated
- Jan 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 421-8724
- Medicaid IDs
- 30200181 NH
3168263 MA - Medicare enrollment
- Enrolled (PECOS I20040311000326); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest blood banking & transfusion medicine physician records → All 26 in Massachusetts → Look up another NPI →
Also registered at 133 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
- Dana An, LCSWClinical Social Worker1215108238
Verify Karen Quillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 154579Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average blood banking & transfusion medicine physician in 2024
139 Medicare Part D claims for 35 beneficiaries, against an average of 52 among the 12 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Sulfamethoxazole-Trimethoprim17 claims
- Idhifa13 claims
- Posaconazole11 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.
Bills Medicare through one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Quillen among 26 blood banking & transfusion medicine physician records in Massachusetts
Karen Quillen, M.D. is one of 26 blood banking & transfusion medicine physician records with a practice address in Massachusetts. 54% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 46% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1991 · median 1992 among the 12 with a school on file
- Record last updated2021 · 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 207ZB0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Blood Banking & Transfusion Medicine Physician providers in Massachusetts
There are 26 blood banking & transfusion medicine physician records in Massachusetts.
All 26 in Massachusetts → Every provider in Boston → Blood Banking & Transfusion Medicine Physician nationwide →
The 8 blood banking & transfusion medicine physician records with the nearest ZIP codes
- Grace Kao, MDBoston, MA 022151215982947
- Mark Popovsky, M.D.Braintree, MA 021841285824375
- Carlo Brugnara, MDBoston, MA 021151326059916
- Li Chai, MDBoston, MA 021151962434431
- Richard Kaufman, MDBoston, MA 021151841236155
- Yeowon Kim, M.D.Boston, MA 021151700081387
- Alistair Murray, MD, FRCPCBoston, MA 021151720817885
- Hirotomo Nakahara, M.D.,PH.D.Boston, MA 021151467986521
Common questions
What is Karen Quillen, M.D.'s NPI number?
Karen Quillen, M.D.'s National Provider Identifier (NPI) is 1750354130, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Quillen, M.D. located?
The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (671) 421-5950. Providers update this record themselves, so call before visiting.
How can I verify Karen Quillen, M.D.'s license?
NPPES lists Massachusetts license number 154579, 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 Karen Quillen, M.D. prescribe under Medicare Part D?
In 2024, Karen Quillen, M.D. had 139 Medicare Part D claims for 35 beneficiaries; the average among blood banking & transfusion medicine physician prescribers was 52. 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.