Dr. Martin S. Walko, MD

  • Holyoke, MA
  • General surgeon
NPI1104837178
Medicare services, 2023
137
Part D claims, 2023
25
MIPS score, 2024
100
Industry payments
$10,096
Affiliated sites
1
Practice address
6 Tsienneto Rd, Derry, NH 03038-1584
Practice phone
Call (603) 434-7444
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Nutfield Surgical Associates

Surgical practice · Derry, New Hampshire

See all 2 affiliations

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Dr. Martin S. Walko is a general surgeon in Holyoke, Massachusetts

Dr. Walko practices at Nutfield Surgical Associates in Derry, New Hampshire.

Dr. Walko's NPI, 1104837178, was assigned on August 11, 2006. Dr. Walko holds New Hampshire license 10637.

NPI and contact details
NPI enumeration date
August 11, 2006
NPI status
Active
Practice phone
(603) 434-7444
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Martin S. Walko practices in Derry and Holyoke

Dr. Walko's primary practice is Nutfield Surgical Associates, at 6 Tsienneto Rd, Derry, NH 03038-1584. The practice phone is (603) 434-7444. The NPI Registry lists Dr. Walko's practice address as 575 Beech St, Holyoke, MA 01040.

  • Nutfield Surgical AssociatesPrimary
    6 Tsienneto Rd, Derry, NH 03038-1584Phone(603) 434-7444
  • NPI Registry address
    575 Beech St, Holyoke, MA 01040 · Hampden CountyPhone(603) 434-7444

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. Martin S. Walko is affiliated with 1 site of care and 1 medical group

Dr. Walko's primary practice is Nutfield Surgical Associates in Derry, New Hampshire. Dmand AI also links Dr. Walko to 1 medical group, named with a free account.

Nutfield Surgical AssociatesSurgical practice · Derry, New HampshirePrimary
1 medical groupName with a free account
See all 2 affiliations for Dr. Walko

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Martin S. Walko's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walko practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Nutfield Surgical AssociatesAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Martin S. Walko is one of 732 general surgeons in Massachusetts

Surgery is Dr. Walko's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Walko's licenses on file in 2 states: New Hampshire and Pennsylvania.

Specialties and state licenses

  • Surgery, New HampshirePrimaryLicense 10637 · taxonomy 208600000X
  • Pennsylvania licenseLicense MD061845L

General surgeons near Dr. Walko

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

732general surgeons in Massachusetts
8general surgeons in Holyoke

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Martin S. Walko billed Medicare for 137 services in 2023

CMS data shows 137 Medicare services from Dr. Walko across 4 procedure codes in 2023. Medicare paid $10,692 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2023137
Paid by Medicare$10,692
Procedure codes4

Dr. Walko's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 1592023: 13714%

Dr. Walko compared with the Massachusetts median for general surgeons, 2023

  • Dr. Walko
  • Massachusetts median
Medicare services
137vs 20031% below
Part D claims
25vs 2214% above

Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.

Dr. Walko's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Martin S. Walko wrote 25 Medicare Part D claims in 2023

In 2023, Dr. Walko wrote 25 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $124 in total drug cost. In 2022, CMS named 27 claims across 2 drugs.

Part D claims, 202325
Drugs named by CMS1
Total drug cost$124

Dr. Walko's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 272023: 257%

Drugs named by CMS: 1 in 2023, 2 in 2022.

See all prescribing by Dr. Walko

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Martin S. Walko scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Walko for performance year 2024, reported through an alternative payment model (APM).

Dr. Walko's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Martin S. Walko received $10,096 in industry payments from 2016 to 2023

CMS Open Payments shows 44 general payments to Dr. Walko from 5 drug and device companies from 2016 to 2023. Education make up the largest share, 50% of the total. Intuitive Surgical, Inc. paid the most, $7,500.

General payments to Dr. Walko by program year, 2016 to 2023

General payments to Dr. Walko by kind, 2016 to 2023

$10.1Kin total
  • Education$5,00050%
  • Travel and lodging$4,06440%
  • Food and beverage$1,03210%

Companies that paid Dr. Walko the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Walko

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Martin S. Walko's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Martin S. Walko

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Martin S. Walko's NPI number?

Dr. Martin S. Walko's NPI number is 1104837178. It was assigned on August 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Martin S. Walko?

Dr. Martin S. Walko is a general surgeon in Holyoke, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Martin S. Walko practice?

Dr. Walko practices at 6 Tsienneto Rd, Derry, NH 03038-1584. Dr. Walko also practices at 575 Beech St, Holyoke, MA 01040. Dr. Walko's primary practice is Nutfield Surgical Associates in Derry, New Hampshire. Dmand AI also links Dr. Walko to 1 medical group.

What is Dr. Martin S. Walko's office phone number?

The practice phone on file for Dr. Walko is (603) 434-7444.

What is Dr. Martin S. Walko's medical license number?

Dr. Walko holds New Hampshire license 10637, one of the licenses on file in 2 states.

Which states has Dr. Martin S. Walko been licensed in?

Dmand AI has state licenses on file for Dr. Walko in New Hampshire and Pennsylvania.

Does Dr. Martin S. Walko accept Medicare?

Yes. CMS data shows Dr. Walko billed Medicare for 137 services in 2023.

What is Dr. Martin S. Walko's MIPS score?

Dr. Walko's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

What services does Dr. Martin S. Walko bill to Medicare?

In 2023, Dr. Walko's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99222).

What drugs does Dr. Martin S. Walko prescribe most?

In 2023 Medicare Part D data, Dr. Walko's most prescribed drugs by claims were Oxycodone HCl.

Has Dr. Martin S. Walko received payments from drug or device companies?

CMS Open Payments shows $10,096 in general payments to Dr. Walko from 5 companies from 2016 to 2023. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Martin S. Walko been practicing?

Dr. Walko's NPI was assigned in 2006.

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