Nikolaos Michalacos, MD
Internal Medicine Physician · Whitman, MA
Nikolaos Michalacos, MD is an internal medicine physician with a practice address in Whitman, Massachusetts, and NPI 1083697932, issued on Nov 23, 2005. Check the license (Massachusetts 157162, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nikolaos Michalacos
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 157162 MA
Self-reported in NPPES; status is on the state search - Practice location
- 312 Bedford St, Whitman, MA 02382
- Phone
- (781) 792-6000
- Enumerated
- Nov 23, 2005
- Record last updated
- Aug 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (781) 792-6165
- Medicaid ID
- 3182673 MA
- Medicare enrollment
- Enrolled (PECOS I20080724000253); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 312 Bedford St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Blanchette, MDInternal Medicine Physician1821071861
- Jennifer Chase, NPNurse Practitioner1932182979
- George Despines, MDInternal Medicine Physician1811970759
- Kelly Garrity, FNP-BCFamily Nurse Practitioner1790592301
- Linda Kelleher, RN, BSNFamily Nurse Practitioner1043032220
Verify Nikolaos Michalacos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 157162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average internal medicine physician in 2024
14,900 Medicare Part D claims for 891 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 662 claims were for opioids.
Most prescribed
- Atorvastatin Calcium829 claims
- Lisinopril641 claims
- Amlodipine Besylate622 claims
- Losartan Potassium526 claims
- Omeprazole490 claims
- Levothyroxine Sodium448 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.
Industry payments in 2024: $16.66
1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Bmc Affiliated Physicians, Inc.Brockton, MA
- Revere Medical OF Massachusetts PCNorth Easton, MA
- Steward Medical Group IncBrighton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nikolaos Michalacos among 6,825 internal medicine physician records in Massachusetts
Nikolaos Michalacos, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2004 among the 4,103 with a school on file
- Record last updated2011 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Whitman
They are 6 of the 150 NPPES records with a practice address in Whitman, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Whitman → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian Blanchette, MDWhitman, MA 023821821071861
- Brian Dalton, M.D.Whitman, MA 023821609840396
- George Despines, MDWhitman, MA 023821811970759
- Harry Katz-Pollak, MDWhitman, MA 023821831172774
- Nicholas Tsanotelis, MDWhitman, MA 023821114900057
- Albert Dunn, M.D.W Bridgewater, MA 023791003820176
- Alina Fernandez, MDWest Bridgewater, MA 023791578557724
- Laura McLaughlin, MDWest Bridgewater, MA 023791386628873
Common questions
What is Nikolaos Michalacos, MD's NPI number?
Nikolaos Michalacos, MD's National Provider Identifier (NPI) is 1083697932, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nikolaos Michalacos, MD located?
The NPPES record lists a practice address at 312 Bedford St, Whitman, MA, 02382. Phone: (781) 792-6000. Providers update this record themselves, so call before visiting.
How can I verify Nikolaos Michalacos, MD's license?
NPPES lists Massachusetts license number 157162, 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 Nikolaos Michalacos, MD prescribe under Medicare Part D?
In 2024, Nikolaos Michalacos, MD had 14,900 Medicare Part D claims for 891 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.