Dr. Wesley Thomas Calvin, DO

  • Norwalk, CT
  • Internist
NPI1851652069PAC ID3375845431
Medicare services, 2024
641
Medicare patients, 2024
285
Part D claims, 2024
49
Hospital affiliations
1
Industry payments
$613
Practice address
34 Maple St, Norwalk, CT 06850
Practice phone
Call (203) 852-2016
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Norwalk Hospital

Norwalk, Connecticut

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Dr. Wesley Thomas Calvin is an internist in Norwalk, Connecticut

Dr. Calvin practices at Norwalk Hospital in Norwalk, Connecticut.

Dr. Calvin's NPI, 1851652069, was assigned on June 4, 2012. Dr. Calvin holds Texas license BP10043721.

NPI and contact details
Medicare PAC ID
3375845431
NPI enumeration date
June 4, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 852-2016
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Wesley Thomas Calvin practices at Norwalk Hospital in Norwalk, Connecticut

Dr. Calvin's primary practice is Norwalk Hospital, at 34 Maple St, Norwalk, CT 06850 in Western Ct County. The practice phone is (203) 852-2016.

  • Norwalk Hospital
    34 Maple St, Norwalk, CT 06850 · Western Ct CountyPhone(203) 852-2016

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

Dr. Wesley Thomas Calvin is affiliated with 4 sites of care and 1 medical group

Dr. Calvin's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dr. Calvin is also affiliated with Norwalk Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Calvin to 1 more group practice or clinic and 1 hospice, each named with a free account.

See all 5 affiliations for Dr. Calvin

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. Wesley Thomas Calvin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Calvin practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Norwalk HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wesley Thomas Calvin is one of 2,189 internists in Connecticut

Internal medicine is Dr. Calvin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Calvin is licensed in Texas.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense BP10043721 · taxonomy 207R00000X

Internists near Dr. Calvin

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

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

Dr. Wesley Thomas Calvin billed Medicare for 641 services in 2024

CMS data shows 641 Medicare services from Dr. Calvin across 6 procedure codes in 2024, for 285 Medicare patients. Medicare paid $62,477 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024641
Medicare patients285
Paid by Medicare$62,477
Procedure codes6

Dr. Calvin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7762024: 64117%

Dr. Calvin compared with the Connecticut median for internists, 2024

  • Dr. Calvin
  • Connecticut median
Medicare services
641vs 39064% above
Medicare patients
285vs 17266% above
Part D claims
13vs 34396% below

Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.

Dr. Calvin's 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.

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

Dr. Wesley Thomas Calvin treated 285 Medicare patients in 2024, average age 81

CMS counts 285 Medicare patients who saw Dr. Calvin in 2024. The largest group is 75 to 84, with 105 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.49, 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. Calvin's median patient age at 79, with 49% women.

Medicare patients, 2024285
Average age81
Average risk score2.49
Also on Medicaid28%

Dr. Calvin's Medicare patients by age, 2024

Dr. Calvin's Medicare patients by sex, 2024

  • Women15354%
  • Men13246%

Chronic conditions among Dr. Calvin's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis61%
  4. Ischemic heart disease52%
  5. Heart failure47%
  6. Mood disorders47%
  7. Atrial fibrillation43%
  8. Chronic kidney disease42%

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

Dr. Calvin's patients across all payers

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

Patient panel by age, all payers

Median age 79

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Wesley Thomas Calvin wrote 49 Medicare Part D claims in 2024

In 2024, Dr. Calvin wrote 49 Medicare Part D claims for 22 patients. 86% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $195 in total drug cost. In 2023, CMS named 14 claims across 1 drug.

Part D claims, 202449
Drugs named by CMS1
Total drug cost$195
Part D patients22

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

  • Generic42 claims86%
  • Brand-name and other7 claims14%

Dr. Calvin's 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. Calvin's Part D claims, 2024

  • Antibiotics24%12 of 49 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 142024: 137%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Calvin

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

How Dr. Wesley Thomas Calvin takes part in Medicare

Dr. Calvin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Wesley Thomas Calvin received $613 in industry payments from 2016 to 2018

CMS Open Payments shows 28 general payments to Dr. Calvin from 9 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $181.

General payments to Dr. Calvin by program year, 2016 to 2018

Companies that paid Dr. Calvin the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Calvin

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

Sources for Dr. Wesley Thomas Calvin'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. Wesley Thomas Calvin

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. Wesley Thomas Calvin's NPI number?

Dr. Wesley Thomas Calvin's NPI number is 1851652069. It was assigned on June 4, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Wesley Thomas Calvin?

Dr. Wesley Thomas Calvin is an internist in Norwalk, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Wesley Thomas Calvin practice?

Dr. Calvin practices at 34 Maple St, Norwalk, CT 06850. Dr. Calvin's primary practice is Norwalk Hospital in Norwalk, Connecticut. Dmand AI also links Dr. Calvin to 1 group practice or clinic and 1 hospice.

What is Dr. Wesley Thomas Calvin's office phone number?

The practice phone on file for Dr. Calvin is (203) 852-2016.

What is Dr. Wesley Thomas Calvin's medical license number?

Dr. Calvin holds Texas license BP10043721.

Which hospitals is Dr. Wesley Thomas Calvin affiliated with?

Dr. Calvin is affiliated with Norwalk Hospital.

What medical group is Dr. Wesley Thomas Calvin part of?

Dr. Calvin is linked to Danbury Medical Group.

Does Dr. Wesley Thomas Calvin accept Medicare?

Yes. CMS data shows Dr. Calvin billed Medicare for 641 services in 2024, and Dr. Calvin accepts Medicare assignment.

How many Medicare patients does Dr. Wesley Thomas Calvin see?

CMS counts 285 Medicare patients who saw Dr. Calvin in 2024, with an average age of 81.

What services does Dr. Wesley Thomas Calvin bill to Medicare?

In 2024, Dr. Calvin's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

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What drugs does Dr. Wesley Thomas Calvin prescribe most?

In 2024 Medicare Part D data, Dr. Calvin's most prescribed drugs by claims were Atorvastatin Calcium.

Has Dr. Wesley Thomas Calvin received payments from drug or device companies?

CMS Open Payments shows $613 in general payments to Dr. Calvin from 9 companies from 2016 to 2018. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Wesley Thomas Calvin been practicing?

Dr. Calvin graduated from medical school in 2012, 14 years ago.

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