Kai Frerichs, MD
Neurological Surgery Physician · Boston, MA
Kai Frerichs, MD is a neurological surgery physician with a practice address in Boston, Massachusetts, and NPI 1144241860, issued on Jul 21, 2006. Check the license (Massachusetts 153748, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kai Frerichs
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 153748 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 525-8148
- Enumerated
- Jul 21, 2006
- Record last updated
- Nov 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 3207366 MA
- Medicare enrollment
- Enrolled (PECOS I20040504000785); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 236 in Massachusetts → Look up another NPI →
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amin AalipourStudent in an Organized Health Care Education/Training Program1902483258
- Emily Aaronson, M.D.Emergency Medicine Physician1962791558
- Sarah Abbett, M.D.Anesthesiology Physician1902097736
- Christine Abbott, NPAdult Health Nurse Practitioner1851471940
- Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
- Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867
Verify Kai Frerichs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 153748Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kai Frerichs among 236 neurological surgery physician records in Massachusetts
Kai Frerichs, MD is one of 236 neurological surgery physician records with a practice address in Massachusetts. 74% 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, 58% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1988 · median 2001 among the 154 with a school on file
- Record last updated2012 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Massachusetts
There are 236 neurological surgery physician records in Massachusetts.
All 236 in Massachusetts → Every provider in Boston → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Ossama Al-Mefty, MDBoston, MA 021151134219611
- Mohammad Ali Aziz-Sultan, M.D.Boston, MA 021151003860735
- Peter Black, MD PHDBoston, MA 021151437115185
- Ennio Chiocca, MDBoston, MA 021151932157252
- Garth Cosgrove, MD, FRCSCBoston, MA 021151649386988
- Rose Du, MD, PHDBoston, MA 021151780637702
- Alexandra Golby, MDBoston, MA 021151386694800
- Liliana Goumnerova, M.D., F.R.C.S.C.Boston, MA 021151427088103
Common questions
What is Kai Frerichs, MD's NPI number?
Kai Frerichs, MD's National Provider Identifier (NPI) is 1144241860, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kai Frerichs, MD located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 525-8148. Providers update this record themselves, so call before visiting.
How can I verify Kai Frerichs, MD's license?
NPPES lists Massachusetts license number 153748, 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.