Dr. Christos Katavolos, MD

  • Wareham, MA
  • Internist
NPI1417911611PAC ID6507832227
Medicare services, 2024
1,100
Medicare patients, 2024
333
Part D claims, 2024
236
Hospital affiliations
3
Industry payments
$698
Practice address
43 High St, Wareham, MA 02571
Practice phone
Call (508) 295-0880
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Tobey Hospital

Wareham, Massachusetts

See all 9 affiliations

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Dr. Christos Katavolos is an internist in Wareham, Massachusetts

Dr. Katavolos practices at Tobey Hospital in Wareham, Massachusetts.

Dr. Katavolos' NPI, 1417911611, was assigned on April 14, 2006. Dr. Katavolos holds Massachusetts license 152259.

NPI and contact details
Medicare PAC ID
6507832227
NPI enumeration date
April 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(508) 295-0880
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Christos Katavolos practices at Tobey Hospital in Wareham, Massachusetts

Dr. Katavolos' primary practice is Tobey Hospital, at 43 High St, Wareham, MA 02571 in Plymouth County. The practice phone is (508) 295-0880.

  • Tobey Hospital
    43 High St, Wareham, MA 02571 · Plymouth CountyPhone(508) 295-0880

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Christos Katavolos is affiliated with 5 sites of care and 4 medical groups

Dr. Katavolos' primary practice is Tobey Hospital in Wareham, Massachusetts. Dr. Katavolos is also affiliated with Charlton Memorial Hospital. The medical group on file is Steward Medical Group. Dmand AI also links Dr. Katavolos to 2 more hospitals, 3 medical groups and 1 hospice, each named with a free account.

See all 9 affiliations for Dr. Katavolos

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Christos Katavolos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Katavolos practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Tobey HospitalAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christos Katavolos is one of 5,528 internists in Massachusetts

Internal medicine is Dr. Katavolos' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Katavolos is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 152259 · taxonomy 207R00000X

Internists near Dr. Katavolos

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

5,528internists in Massachusetts
3internists in Wareham

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

Dr. Christos Katavolos billed Medicare for 1,100 services in 2024

CMS data shows 1,100 Medicare services from Dr. Katavolos across 4 procedure codes in 2024, for 333 Medicare patients. Medicare paid $84,903 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,100
Medicare patients333
Paid by Medicare$84,903
Procedure codes4

Dr. Katavolos' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,8752024: 1,10041%

Dr. Katavolos compared with the Massachusetts median for internists, 2024

  • Dr. Katavolos
  • Massachusetts median
Medicare services
1,100vs 4312.6 times
Medicare patients
333vs 19472% above
Part D claims
82vs 40280% below

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Katavolos' most billed Medicare procedure codes, 2024

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

See all procedures by Dr. Katavolos

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

Dr. Christos Katavolos treated 333 Medicare patients in 2024, average age 77

CMS counts 333 Medicare patients who saw Dr. Katavolos in 2024. The largest group is 75 to 84, with 109 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.42, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Katavolos' median patient age at 70, with 45% women.

Medicare patients, 2024333
Average age77
Average risk score2.42
Also on Medicaid45%

Dr. Katavolos' Medicare patients by age, 2024

Dr. Katavolos' Medicare patients by sex, 2024

  • Women18856%
  • Men14544%

Chronic conditions among Dr. Katavolos' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Anxiety60%
  4. Arthritis58%
  5. Mood disorders57%
  6. Chronic kidney disease51%
  7. Depression51%
  8. Ischemic heart disease49%

Share of Medicare patients with each condition. A patient can have several.

Dr. Katavolos' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women45%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Christos Katavolos wrote 236 Medicare Part D claims in 2024

In 2024, Dr. Katavolos wrote 236 Medicare Part D claims for 123 patients. 91% of them were for generic drugs. CMS names the drug for 82 of them, across 5 drugs with 11 or more claims each, at $8,176 in total drug cost. In 2020, CMS named 22 claims across 2 drugs.

Part D claims, 2024236
Drugs named by CMS5
Total drug cost$8,176
Part D patients123

Dr. Katavolos' Part D claims by kind of drug, 2024

  • Generic214 claims91%
  • Brand-name22 claims9%

Dr. Katavolos' most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in Dr. Katavolos' Part D claims, 2024

  • Antibiotics24%56 of 236 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2020 to 2024

  • 2020
  • 2024
Claims for drugs CMS names
2020: 222024: 82273%

Drugs named by CMS: 5 in 2024, 2 in 2020.

See all prescribing by Dr. Katavolos

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

Dr. Christos Katavolos offers telehealth to Medicare patients

Dr. Katavolos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Katavolos as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Christos Katavolos received $698 in industry payments from 2016 to 2024

CMS Open Payments shows 29 general payments to Dr. Katavolos from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $270.

General payments to Dr. Katavolos by program year, 2016 to 2024

Companies that paid Dr. Katavolos the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Katavolos

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

Sources for Dr. Christos Katavolos'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
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
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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. Christos Katavolos

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. Christos Katavolos' NPI number?

Dr. Christos Katavolos' NPI number is 1417911611. It was assigned on April 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Christos Katavolos?

Dr. Christos Katavolos is an internist in Wareham, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Christos Katavolos practice?

Dr. Katavolos practices at 43 High St, Wareham, MA 02571. Dr. Katavolos' primary practice is Tobey Hospital in Wareham, Massachusetts. Dmand AI also links Dr. Katavolos to 2 hospitals, 3 medical groups and 1 hospice.

What is Dr. Christos Katavolos' office phone number?

The practice phone on file for Dr. Katavolos is (508) 295-0880.

What is Dr. Christos Katavolos' medical license number?

Dr. Katavolos holds Massachusetts license 152259.

Which hospitals is Dr. Christos Katavolos affiliated with?

Dr. Katavolos is affiliated with Charlton Memorial Hospital. Dmand AI links Dr. Katavolos to 2 more hospitals.

What medical group is Dr. Christos Katavolos part of?

Dr. Katavolos is linked to Steward Medical Group. Dmand AI links Dr. Katavolos to 3 more medical groups.

Does Dr. Christos Katavolos accept Medicare?

Yes. CMS data shows Dr. Katavolos billed Medicare for 1,100 services in 2024, and Dr. Katavolos accepts Medicare assignment.

Does Dr. Christos Katavolos offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Katavolos as offering telehealth services.

How many Medicare patients does Dr. Christos Katavolos see?

CMS counts 333 Medicare patients who saw Dr. Katavolos in 2024, with an average age of 77.

Show 4 more questionsShow fewer questions

What services does Dr. Christos Katavolos bill to Medicare?

In 2024, Dr. Katavolos' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

What drugs does Dr. Christos Katavolos prescribe most?

In 2024 Medicare Part D data, Dr. Katavolos' most prescribed drugs by claims were Prednisone, Cefpodoxime Proxetil and Azithromycin.

Has Dr. Christos Katavolos received payments from drug or device companies?

CMS Open Payments shows $698 in general payments to Dr. Katavolos from 7 companies from 2016 to 2024. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Christos Katavolos been practicing?

Dr. Katavolos graduated from medical school in 1994, 32 years ago.

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