Active NPI 1477513679 Individual Practitioner Female Practitioner

Dr. Holly K. Michaelson , MD

Surgery • Northampton, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Holly Michaelson, MD is a certified Surgery practicing in Northampton, MA. With approximately 29 years of clinical experience since graduating from Temple University School Of Medicine in 1997, Dr. Michaelson delivers high-quality medical care to the local community at 76 CARLON DR.

Dr. Michaelson is affiliated with Mass General Brigham Medical Group Western Massachusetts Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

76 Carlon Dr
#a

Northampton, MA 010602373

Telephone 4135844637

Fax 4135844787

Associated Practice Facility / Clinic

🏢 Mohamed S Kamel Md Facility NPI 1013991975

Medicare Profile & Education

Medical School

Temple University School Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Northampton, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs -8.5 yrs vs City Avg

City Avg: 37.5 Yrs

State Avg: 28.2 Yrs

Regional Practice Density

5 Specialists

Practicing in Northampton, MA (1077 Statewide)

Telehealth Adoption Rate

20.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

68.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Michaelson (29 Years) 29 Yrs

Northampton Specialty Average (37.5 Years) 37.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	107	107	$396.37	$166.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	55	50	$305.40	$127.78
99213 Established patient office or other outpatient visit, typically 15 minutes	53	50	$217.13	$90.85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	52	32	$175.73	$77.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	45	$459.00	$170.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	33	$311.00	$96.40
49505 Repair of groin hernia (5 years or older)	33	33	$1548.00	$511.40
99213 Established patient office or other outpatient visit, typically 15 minutes	28	28	$215.04	$65.26
99231 Follow-up hospital inpatient care per day, typically 15 minutes	26	21	$98.77	$48.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$404.76	$132.04
47562 Removal of gallbladder using an endoscope	16	16	$1954.00	$637.80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	14	$312.00	$129.07
19125 Removal of breast growth, open procedure	15	15	$1689.00	$446.34
46600 Diagnostic examination of the anus using an endoscope	14	12	$357.00	$121.03
38900 Lymph node imaging during surgery	14	14	$405.00	$132.79
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	14	14	$1299.00	$266.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$262.67	$112.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	101	101	$390.00	$168.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	59	$301.00	$130.75
99213 Established patient office or other outpatient visit, typically 15 minutes	56	47	$212.00	$92.43
99213 Established patient office or other outpatient visit, typically 15 minutes	32	31	$212.00	$65.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$459.00	$174.95
49505 Repair of groin hernia (5 years or older)	23	23	$1615.30	$541.49
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	14	$165.00	$79.75
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	13	$88.00	$49.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$390.00	$134.38
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$301.00	$98.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$130.00	$58.05
38900 Lymph node imaging during surgery	15	15	$405.00	$135.70
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	15	$1299.00	$223.34
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	11	11	$49.00	$17.94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$312.00	$131.05
19301 Partial removal of breast	11	11	$1949.00	$666.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	88	88	$388.57	$173.13
99213 Established patient office or other outpatient visit, typically 15 minutes	56	52	$209.64	$94.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	50	$295.81	$132.91
99213 Established patient office or other outpatient visit, typically 15 minutes	50	44	$204.96	$68.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$459.00	$201.61
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	23	23	$1355.48	$293.46
38900 Lymph node imaging during surgery	22	22	$423.41	$143.75
49505 Repair of groin hernia (5 years or older)	21	21	$1589.71	$558.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$298.25	$100.52
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	11	$165.00	$72.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$260.00	$104.77
19301 Partial removal of breast	15	15	$1949.00	$684.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$387.43	$138.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	89	89	$372.00	$175.36
99213 Established patient office or other outpatient visit, typically 15 minutes	52	41	$168.00	$95.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	39	$246.00	$135.79
99213 Established patient office or other outpatient visit, typically 15 minutes	39	37	$168.00	$69.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$245.00	$117.59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	29	13	$165.00	$73.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	24	$102.00	$59.11
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	23	23	$1105.43	$295.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	20	$459.00	$205.65
49505 Repair of groin hernia (5 years or older)	16	16	$1212.00	$548.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$372.00	$140.93
38900 Lymph node imaging during surgery	14	14	$345.00	$147.47
47562 Removal of gallbladder using an endoscope	14	14	$1534.00	$666.59
19125 Removal of breast growth, open procedure	13	13	$1372.00	$502.28
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	13	13	$821.00	$192.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	12	$102.00	$37.27
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$173.00	$76.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$310.00	$139.59
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$468.00	$231.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$344.36	$172.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	45	$218.82	$112.90
99213 Established patient office or other outpatient visit, typically 15 minutes	37	35	$153.08	$79.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$227.94	$111.15
99213 Established patient office or other outpatient visit, typically 15 minutes	25	22	$151.44	$53.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	18	$90.67	$48.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$428.68	$211.72
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	18	$273.32	$143.89
49505 Repair of groin hernia (5 years or older)	17	17	$1070.93	$534.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	14	$219.19	$82.89
19125 Removal of breast growth, open procedure	15	15	$1187.60	$493.35
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	14	$79.47	$41.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$342.23	$135.22
45380 Biopsy of large bowel using an endoscope	13	13	$978.00	$214.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	58	$213.00	$111.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$329.00	$171.50
99213 Established patient office or other outpatient visit, typically 15 minutes	34	34	$145.00	$77.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$216.00	$113.46
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	23	$269.00	$142.01
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	13	$140.00	$75.34
19125 Removal of breast growth, open procedure	19	19	$1170.53	$502.82
49505 Repair of groin hernia (5 years or older)	18	18	$1051.00	$557.40
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$88.00	$45.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$329.00	$126.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$213.00	$78.20
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$395.00	$209.64
38792 Injection of radioactive material for x-ray identification of lymph node	13	13	$82.00	$17.63
47562 Removal of gallbladder using an endoscope	12	11	$1325.00	$613.08
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	12	12	$883.00	$233.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	82	70	$145.00	$75.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	74	74	$329.00	$170.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	71	62	$213.00	$111.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	27	$269.00	$142.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$216.00	$113.18
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	14	$88.00	$46.06
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	13	13	$883.00	$286.76
19125 Removal of breast growth, open procedure	12	12	$1112.00	$487.44
38792 Injection of radioactive material for x-ray identification of lymph node	11	11	$82.00	$21.11
47562 Removal of gallbladder using an endoscope	11	11	$1325.00	$701.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$329.00	$168.70
99213 Established patient office or other outpatient visit, typically 15 minutes	74	65	$145.00	$75.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	54	$213.00	$111.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$216.00	$109.70
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	18	$269.00	$139.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	15	$88.00	$45.25
19125 Removal of breast growth, open procedure	16	16	$1112.00	$472.79
49505 Repair of groin hernia (5 years or older)	16	16	$1116.69	$555.07
47562 Removal of gallbladder using an endoscope	14	14	$1348.66	$679.50

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MA 221242

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

2075725 (MA)

Commercial Insurance / Payer ID United Healthcare

04-3194547 (MA)

Commercial Insurance / Payer ID Great-West

04-3194547 (MA)

Commercial Insurance / Payer ID Plan Vista

04-3194547 (MA)

Commercial Insurance / Payer ID Hne

35140 (MA)

Commercial Insurance / Payer ID Harvard Pilgrim

AA18165 (MA)

Commercial Insurance / Payer ID Northeast Health Direct

04-3194547 (MA)

Commercial Insurance / Payer ID Phcs

04-3194547 (MA)

Commercial Insurance / Payer ID Bmc

000000028880 (MA)

Commercial Insurance / Payer ID Unicare/gic

04-3194547 (MA)

Hospital & Practice Group Affiliations

Mass General Brigham Medical Group Western Massachusetts Inc

22 Atwood Dr, Northampton, MA 010604267

Phone: 4135844637

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners

Dr. Donald Abel , MD

Surgery

NPI 1235199357

Doctor of Medicine (M.D.)

Dr. Michelle Helms , MD

Specialist

NPI 1346553468

Doctor of Medicine (M.D.)

Rebecca Rand

Dietitian, Registered

NPI 1477034874

Dr. Mark Chodoff , MD

Surgery

NPI 1710912944

Doctor of Medicine (M.D.)

Dr. Alvah Hinckley , MD

Surgery

NPI 1912994187

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active October 24, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location October 24, 2011

Registered at 76 CARLON DR, #A, NORTHAMPTON, MA 010602373 (Tel: 4135844637)

📍

Updated Business Mailing Address October 24, 2011

Registered at 76 CARLON DR, #A, NORTHAMPTON, MA 010602373 (Tel: 4135844637)

👤

Provider Name / Credentials Updated October 24, 2011

Recorded as HOLLY MICHAELSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 24, 2011

Surgery (License #221242 in MA)

🟢

Initial NPI Registration & Enumeration March 23, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1477513679

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: March 23, 2006

Last Update: October 24, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

76 Carlon Dr, #a

Northampton, MA 010602373

Phone: 4135844637

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.