Christopher W. Shanahan, M.D., M.P.H.
Internal Medicine Physician · Mattapan, MA
Christopher W. Shanahan, M.D., M.P.H. is an internal medicine physician with a practice address in Mattapan, Massachusetts, and NPI 1730184854, issued on Jun 15, 2005. Check the license (Massachusetts 74099, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher W. Shanahan
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 74099 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1575 Blue Hill Ave, Mattapan, MA 02126
- Phone
- (617) 829-6006
- Enumerated
- Jun 15, 2005
- Record last updated
- Feb 2, 2022
- Fax
- (617) 296-5408
- Medicaid ID
- 110050376A MA
- Medicare enrollment
- Enrolled (PECOS I20050415000567); may accept Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1575 Blue Hill Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Taffidy Berrouette, LICSWSocial Worker1912344300
- Jose Cariz, MDInternal Medicine Physician1396733838
- Emily CastellanosMental Health Counselor1194590117
- Michelle Dalencour, M.D.Family Medicine Physician1073873006
- Tin DangPharmacist1275240053
- Laverne Dickson, FNP-CFamily Nurse Practitioner1316448467
Verify Christopher W. Shanahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 74099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,265 Medicare Part D claims for 88 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 69 claims were for opioids.
Most prescribed
- Buprenorphine-Naloxone77 claims
- Atorvastatin Calcium60 claims
- Clonazepam50 claims
- Gabapentin46 claims
- Lisinopril41 claims
- Albuterol Sulfate Hfa40 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 2 group practices
- Mattapan Community Health Center, Inc.Boston, MA
- Savida Health PCWest Springfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 internal medicine physician records list a practice address in Mattapan
They are 5 of the 256 NPPES records with a practice address in Mattapan, and 6,825 internal medicine physician records in Massachusetts.
All 5 in Mattapan → All 6,825 in Massachusetts → Every provider in Mattapan →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Nathan Abare, MDSpringfield, MA1386852747
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Christopher W. Shanahan, M.D., M.P.H.'s NPI number?
Christopher W. Shanahan, M.D., M.P.H.'s National Provider Identifier (NPI) is 1730184854, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher W. Shanahan, M.D., M.P.H. located?
The NPPES record lists a practice address at 1575 Blue Hill Ave, Mattapan, MA, 02126. Phone: (617) 829-6006. Providers update this record themselves, so call before visiting.
How can I verify Christopher W. Shanahan, M.D., M.P.H.'s license?
NPPES lists Massachusetts license number 74099, 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 Christopher W. Shanahan, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Christopher W. Shanahan, M.D., M.P.H. had 1,265 Medicare Part D claims for 88 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.