Alan D. Berkenwald, MD
Internal Medicine Physician · Amherst, MA
Alan D. Berkenwald, MD is an internal medicine physician with a practice address in Amherst, Massachusetts, and NPI 1033188636, issued on Mar 16, 2006. Check the license (Massachusetts 44660, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alan D. Berkenwald
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 44660 MA
Self-reported in NPPES; status is on the state search - Practice location
- 31 Hall Dr, Amherst, MA 01002
- Phone
- (413) 256-8561
- Enumerated
- Mar 16, 2006
- Record last updated
- Jan 3, 2024
- Fax
- (866) 644-0869
- Medicaid ID
- 1033188636 MA
- Medicare enrollment
- Enrolled (PECOS I20101207000037); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 31 Hall Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Anderson, N.P.Family Nurse Practitioner1740255140
- Alyse Bynum, P.T.Occupational Therapist1386628899
- Yihong Cai, ODOptometrist1609108109
- Alla Chapman, MDFamily Medicine Physician1558335174
- Stuart Chipkin, M.D.Endocrinology, Diabetes & Metabolism Physician1699775585
- Kaisa Clark, LICSWClinical Social Worker1316545486
Verify Alan D. Berkenwald in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 44660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
130 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl20 claims
- Cephalexin11 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
- Valley Medical Group PCAmherst, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
13 internal medicine physician records list a practice address in Amherst
They are 13 of the 769 NPPES records with a practice address in Amherst, and 6,825 internal medicine physician records in Massachusetts.
All 13 in Amherst → All 6,825 in Massachusetts → Every provider in Amherst →
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 Alan D. Berkenwald, MD's NPI number?
Alan D. Berkenwald, MD's National Provider Identifier (NPI) is 1033188636, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan D. Berkenwald, MD located?
The NPPES record lists a practice address at 31 Hall Dr, Amherst, MA, 01002. Phone: (413) 256-8561. Providers update this record themselves, so call before visiting.
How can I verify Alan D. Berkenwald, MD's license?
NPPES lists Massachusetts license number 44660, 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 Alan D. Berkenwald, MD prescribe under Medicare Part D?
In 2024, Alan D. Berkenwald, MD had 130 Medicare Part D claims for 68 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.