Prakash Rau, MD
Gastroenterology Physician · Braintree, MA
Prakash Rau, MD is a gastroenterology physician with a practice address in Braintree, Massachusetts, and NPI 1447212238, issued on Apr 5, 2006. Check the license (Massachusetts 39034, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Prakash Rau
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 39034 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1681 Washington St, Braintree, MA 02184
- Phone
- (781) 848-6040
- Enumerated
- Apr 5, 2006
- Record last updated
- Mar 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (781) 843-1314
- Medicaid ID
- 2069008 MA
- Medicare enrollment
- Enrolled (PECOS I20050811000146); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 686 in Massachusetts → Look up another NPI →
Also registered at 1681 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bret Ancowitz, M.D.Gastroenterology Physician1962607051
- Shawn Cray, DPTPhysical Therapist1407063316
- Robert Driscoll, MDSurgery Physician1124010921
- Mohamed Elgeziry, MDInternal Medicine Physician1477512929
- Arkadi Gatt, PA-CMedical Physician Assistant1295870418
- Joseph Iovino, MDVascular Surgery Physician1316939309
Verify Prakash Rau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 39034Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,984 Medicare Part D claims for 507 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Omeprazole614 claims
- Pantoprazole Sodium180 claims
- Dicyclomine Hcl167 claims
- Balsalazide Disodium101 claims
- Linzess79 claims
- Ondansetron Hcl75 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
- Harbor Medical Associates IncPembroke, MA
- Mass General Brigham Medical Group Suburban Massachusetts IncPembroke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Prakash Rau among 686 gastroenterology physician records in Massachusetts
Prakash Rau, MD is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1972 · median 2004 among the 491 with a school on file
- Record last updated2017 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Massachusetts
There are 686 gastroenterology physician records in Massachusetts.
All 686 in Massachusetts → Every provider in Braintree → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Bret Ancowitz, M.D.Braintree, MA 021841962607051
- Sarathchandra Reddy, M.D.Braintree, MA 021841619956356
- George Barrett, MDMilton, MA 021861659549590
- Tahnee Sidhu, MDMilton, MA 021861114448149
- Robert Aaron, MDStoneham, MA 021801962694323
- Wanda Blanton, M.D.Stoneham, MA 021801417123431
- Brian Clark, M.D.Stoneham, MA 021801114193612
- David Fefferman, M.D.Stoneham, MA 021801720015928
Common questions
What is Prakash Rau, MD's NPI number?
Prakash Rau, MD's National Provider Identifier (NPI) is 1447212238, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Prakash Rau, MD located?
The NPPES record lists a practice address at 1681 Washington St, Braintree, MA, 02184. Phone: (781) 848-6040. Providers update this record themselves, so call before visiting.
How can I verify Prakash Rau, MD's license?
NPPES lists Massachusetts license number 39034, 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 Prakash Rau, MD prescribe under Medicare Part D?
In 2024, Prakash Rau, MD had 1,984 Medicare Part D claims for 507 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.