Doctor profile · Federal record

Dr. Nikolaos Michalacos, MD

Internal Medicine Physician (CMS: Internal Medicine) · Whitman, MA

  • NPI 1083697932
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
312 Bedford St
Whitman, MA 023821859
(781) 792-6000
fax (781) 792-6165

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
August 25, 2011
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #157162
Medicaid
MA #3182673

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083697932. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,405
Distinct HCPCS
10
Medicare allowed
$330,243
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,533 587 $129
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 377 344 $15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 334 334 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 285 191 $91
G0008 Administration of influenza virus vaccine 100 99 $31
90756 Influenza vaccine, quadrivalent derived from cell cultures 87 86 $32
71046 X-ray of chest, 2 views 78 67 $22
96372 Injection of drug or substance under skin or into muscle 78 16 $15
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 64 14 $2
99495 Transitional care management services for problem of at least moderate complexity 50 45 $205

In context: peer comparison

Among 1 peers in this city , average services per provider: 126. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $16.66

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,511
Patients
1,636
Total drug cost
$103,955
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 831 211 $18,536
Lisinopril Generic 601 157 $6,025
Amlodipine Besylate Generic 567 164 $4,989
Levothyroxine Sodium Generic 500 107 $6,222
Omeprazole Generic 475 129 $11,559
Losartan Potassium Generic 453 118 $8,462
Metoprolol Succinate Generic 444 116 $10,996
Gabapentin Generic 386 82 $8,832
Hydrochlorothiazide Generic 343 91 $1,447
Alprazolam Generic 342 61 $1,382

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nikolaos Michalacos's medical specialty?
Dr. Nikolaos Michalacos practices Internal Medicine Physician in Whitman, MA.
Where does Dr. Nikolaos Michalacos practice?
Dr. Nikolaos Michalacos practices at 312 Bedford St, Whitman, MA 023821859. Office phone: 7817926000.
What is Dr. Nikolaos Michalacos's NPI?
Dr. Nikolaos Michalacos's National Provider Identifier (NPI) is 1083697932, issued by NPPES.
Does Dr. Nikolaos Michalacos accept Medicare assignment?
Yes. Dr. Nikolaos Michalacos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nikolaos Michalacos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.