Adam J. Chamberlain, MD
Addiction Medicine (Preventive Medicine) Physician · Springfield, MA
Adam J. Chamberlain, MD is an addiction medicine (preventive medicine) physician with a practice address in Springfield, Massachusetts, and NPI 1790216976, issued on Mar 21, 2017. Check the license (Massachusetts 285475, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Adam J. Chamberlain
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Preventive Medicine) Physician 2083A0300X
- License number
- 285475 MA
Self-reported in NPPES; status is on the state search - Practice location
- 759 Chestnut St, Springfield, MA 01107
- Phone
- (413) 794-5555
- Enumerated
- Mar 21, 2017
- Record last updated
- Jan 22, 2026
- Fax
- (413) 794-9803
- Medicare enrollment
- Enrolled (PECOS I20201130002265); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2017
- Entity
- Type 1 · individual
8 nearest addiction medicine (preventive medicine) physician records → All 18 in Massachusetts → Look up another NPI →
Also registered at 759 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Omar Abduljabar, M.D.Family Medicine Physician1770978843
- Alfred Adegboyegun, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1205953957
- Alueshima Akough-Weir, M.DInternal Medicine Physician1306154109
- Vanna Albert, MDEmergency Medicine Physician1548680952
- Mehak Ali, MDInternal Medicine Physician1003222431
- Shaheen Alvi, MDInternal Medicine Physician1972953107
Verify Adam J. Chamberlain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 285475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7.0 times the Medicare Part D claims of the average addiction medicine (preventive medicine) physician in 2024
2,930 Medicare Part D claims for 336 beneficiaries, against an average of 420 among the 224 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 96 claims were for opioids.
Most prescribed
- Atorvastatin Calcium198 claims
- Losartan Potassium132 claims
- Amlodipine Besylate127 claims
- Lisinopril107 claims
- Gabapentin95 claims
- Omeprazole92 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 3 group practices
- Baystate Medical Practices IncGreenfield, MA
- Behavioral Health Network IncSpringfield, MA
- Valley Medical Group PCGreenfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam J. Chamberlain among 18 addiction medicine (preventive medicine) physician records in Massachusetts
Adam J. Chamberlain, MD is one of 18 addiction medicine (preventive medicine) physician records with a practice address in Massachusetts. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 83% of them.
- NPI issued2017 · 83% of these records are older, 6% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2017 · median 1993 among the 15 with a school on file
- Record last updated2026 · 11% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083A0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Preventive Medicine) Physician providers in Massachusetts
There are 18 addiction medicine (preventive medicine) physician records in Massachusetts.
All 18 in Massachusetts → Every provider in Springfield → Addiction Medicine (Preventive Medicine) Physician nationwide →
The 8 addiction medicine (preventive medicine) physician records with the nearest ZIP codes
- Benjamin Bovell-Ammon, MD, MPHSpringfield, MA 011091477084622
- Satkiran Grewal, M.D.West Springfield, MA 010891356421085
- Myles Jen Kin, D.O.Westminster, MA 014731669766135
- Karl Liebermann, D.O.Northborough, MA 015321346353687
- Dorota Poluha, MDWebster, MA 015701679550743
- Brian Oconnor, MDWoburn, MA 018011912991522
- Flora Sadri-Azarbayejani, DOLowell, MA 018521023088820
- Michael Medlock, MDSalem, MA 019701902887185
Common questions
What is Adam J. Chamberlain, MD's NPI number?
Adam J. Chamberlain, MD's National Provider Identifier (NPI) is 1790216976, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Adam J. Chamberlain, MD located?
The NPPES record lists a practice address at 759 Chestnut St, Springfield, MA, 01107. Phone: (413) 794-5555. Providers update this record themselves, so call before visiting.
How can I verify Adam J. Chamberlain, MD's license?
NPPES lists Massachusetts license number 285475, 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 Adam J. Chamberlain, MD prescribe under Medicare Part D?
In 2024, Adam J. Chamberlain, MD had 2,930 Medicare Part D claims for 336 beneficiaries; the average among addiction medicine (preventive medicine) physician prescribers was 420. 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.