Doctor profile · Federal record

Dr. Holly Michaelson, MD

Surgery Physician (CMS: General Surgery) · Northampton, MA

  • NPI 1477513679
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
76 Carlon Dr, #A
Northampton, MA 010602373
(413) 584-4637
fax (413) 584-4787

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
October 24, 2011
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Massachusetts #221242
Medicaid
MA #2075725

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477513679. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
462
Distinct HCPCS
10
Medicare allowed
$72,711
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 101 101 $169
99214 Established patient office or other outpatient visit, 30-39 minutes 70 59 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 56 47 $92
99213 Established patient office or other outpatient visit, 20-29 minutes 32 31 $65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $175
49505 Repair of groin hernia (5 years or older) 23 23 $541
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $134
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 19 13 $50
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 19 14 $80
99214 Established patient office or other outpatient visit, 30-39 minutes 17 17 $98

In context: peer comparison

Among 1 peers in Northampton Surgery Physician, average services per provider: 28. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ethicon US, LLC 1 $21.13

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
117
Patients
111
Total drug cost
$444
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 92 86 $198
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 14 14 $204
Neomycin Sulfate Generic 11 11 $42

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Holly Michaelson's medical specialty?
Dr. Holly Michaelson practices Surgery Physician in Northampton, MA.
Where does Dr. Holly Michaelson practice?
Dr. Holly Michaelson practices at 76 Carlon Dr, Northampton, MA 010602373. Office phone: 4135844637.
What is Dr. Holly Michaelson's NPI?
Dr. Holly Michaelson's National Provider Identifier (NPI) is 1477513679, issued by NPPES.
Does Dr. Holly Michaelson accept Medicare assignment?
Yes. Dr. Holly Michaelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Holly Michaelson commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.