Walther M. Pfeifer, M.D.
Anatomic Pathology & Clinical Pathology Physician · Boston, MA
Walther M. Pfeifer, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Boston, Massachusetts, and NPI 1083787212, issued on Nov 16, 2006. Check the license (Massachusetts 228155, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Walther M. Pfeifer
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 228155 MA
Self-reported in NPPES; status is on the state search - Practice location
- 670 Albany St, Boston, MA 02118
- Phone
- (617) 414-7038
- Enumerated
- Nov 16, 2006
- Record last updated
- Sep 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (617) 414-5315
- Medicare enrollment
- Enrolled (PECOS I20260507001253); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 542 in Massachusetts → Look up another NPI →
Also registered at 670 Albany St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Opoku Adjapong, M.DAnatomic Pathology & Clinical Pathology Physician1962664896
- Shveta Arya, M.D.Anatomic Pathology & Clinical Pathology Physician1437324274
- Sandra Cerda, MD.Anatomic Pathology & Clinical Pathology Physician1306819719
- Christopher Choi, MD, MPHStudent in an Organized Health Care Education/Training Program1912700725
- David Chui, MDHematology (Pathology) Physician1114990421
- Antonio De Las Morenas, MDAnatomic Pathology & Clinical Pathology Physician1184697492
Verify Walther M. Pfeifer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 228155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Walther M. Pfeifer among 542 anatomic pathology & clinical pathology physician records in Massachusetts
Walther M. Pfeifer, M.D. is one of 542 anatomic pathology & clinical pathology physician records with a practice address in Massachusetts. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 64% newer
- In a Medicare fileNo · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1994 · median 2004 among the 305 with a school on file
- Record last updated2009 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Massachusetts
There are 542 anatomic pathology & clinical pathology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 542 in Massachusetts → Every provider in Boston → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Opoku Adjapong, M.DBoston, MA 021181962664896
- Shveta Arya, M.D.Boston, MA 021181437324274
- Eric Burks, MDBoston, MA 021181225000623
- Sandra Cerda, MD.Boston, MA 021181306819719
- Antonio De Las Morenas, MDBoston, MA 021181184697492
- Hongying Huang, M.D.Boston, MA 021181194990903
- Earl Kasdon, M.D.Boston, MA 021181801050026
- Manisha Mehta, MDBoston, MA 021181396997623
Common questions
What is Walther M. Pfeifer, M.D.'s NPI number?
Walther M. Pfeifer, M.D.'s National Provider Identifier (NPI) is 1083787212, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walther M. Pfeifer, M.D. located?
The NPPES record lists a practice address at 670 Albany St, Boston, MA, 02118. Phone: (617) 414-7038. Providers update this record themselves, so call before visiting.
How can I verify Walther M. Pfeifer, M.D.'s license?
NPPES lists Massachusetts license number 228155, 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. 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.