Dr. Mari Paz Castanedo Tardan, MD

  • Ann Arbor, MI
  • Dermatologist
NPI1578881041
Medicare services, 2022
840
Part D claims, 2023
84
Hospital affiliations
1
Industry payments
$20
State licenses
2
Practice address
2215 Fuller Road, Ann Arbor, MI 48105
Practice phone
Call (734) 769-7100
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

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Dr. Mari Paz Castanedo Tardan is a dermatologist in Ann Arbor, Michigan

Dr. Castanedo Tardan practices at Lieutenant Colonel Charles S. Kettles VA Medical Center in Ann Arbor, Michigan, part of Veterans Health Administration.

Dr. Castanedo Tardan's NPI, 1578881041, was assigned on May 9, 2010. Dr. Castanedo Tardan holds Michigan license 4301108544.

NPI and contact details
NPI enumeration date
May 9, 2010
NPI status
Active
Practice phone
(734) 769-7100
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
47
Medical school graduation
2005

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

Dr. Mari Paz Castanedo Tardan practices at Lieutenant Colonel Charles S. Kettles VA Medical Center in Ann Arbor, Michigan

Dr. Castanedo Tardan's primary practice is Lieutenant Colonel Charles S. Kettles VA Medical Center, at 2215 Fuller Road, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (734) 769-7100.

Source: Dmand AI Affiliation Data

Dr. Mari Paz Castanedo Tardan is affiliated with 1 site of care

Dr. Castanedo Tardan's primary practice is Lieutenant Colonel Charles S. Kettles VA Medical Center in Ann Arbor, Michigan, part of Veterans Health Administration. Dr. Castanedo Tardan's employer is on file too: a hospital.

See Dr. Castanedo Tardan's affiliation in Dmand AI

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mari Paz Castanedo Tardan's practice

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

EHR by site
SiteEHR vendor and product
Lieutenant Colonel Charles S. Kettles VA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mari Paz Castanedo Tardan is one of 430 dermatologists in Michigan

Dermatology is Dr. Castanedo Tardan's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. Castanedo Tardan's licenses on file in 2 states: Michigan and New Hampshire.

Specialties and state licenses

  • Dermatology, MichiganPrimaryLicense 4301108544 · taxonomy 207N00000X
  • New Hampshire licenseLicense 16782

Dermatologists near Dr. Castanedo Tardan

Counts of dermatologists 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. Mari Paz Castanedo Tardan billed Medicare for 840 services in 2022

CMS data shows 840 Medicare services from Dr. Castanedo Tardan across 12 procedure codes in 2022. Medicare paid $23,574 for them. Every service was in an office.

Medicare services, 2022840
Paid by Medicare$23,574
Procedure codes12

Dr. Castanedo Tardan's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Surgery
2021: 5012022: 58016%
Office and hospital visits
2021: 2372022: 26010%

Dr. Castanedo Tardan compared with the Michigan median for dermatologists, 2022

  • Dr. Castanedo Tardan
  • Michigan median
Medicare services
840vs 1,43341% below
Part D claims
84vs 52884% below

Medians across 396 dermatologists in Michigan with Dmand AI profiles that report each measure.

Dr. Castanedo Tardan's most billed Medicare procedure codes, 2022

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. Castanedo Tardan

Need commercial claims for Dr. Castanedo Tardan?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Castanedo Tardan and other dermatologists in Michigan.

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

Dr. Mari Paz Castanedo Tardan's patients have a median age of 65

Across all payers, Dmand AI patient panel data puts Dr. Castanedo Tardan's median patient age at 65, with 45% women.

Dr. Castanedo Tardan's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women45%
  • Men55%

Source: Dmand AI Patient Panel Data

Dr. Mari Paz Castanedo Tardan wrote 84 Medicare Part D claims in 2023

In 2023, Dr. Castanedo Tardan wrote 84 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $1,030 in total drug cost.

Part D claims, 202384
Drugs named by CMS4
Total drug cost$1,030

Dr. Castanedo Tardan'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.

See all prescribing by Dr. Castanedo Tardan

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

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Dr. Mari Paz Castanedo Tardan received $20 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Castanedo Tardan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Patriot Medical Distributors paid the most, $20.

Companies that paid Dr. Castanedo Tardan the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Castanedo Tardan

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

Sources for Dr. Mari Paz Castanedo Tardan'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (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. Mari Paz Castanedo Tardan

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. Mari Paz Castanedo Tardan's NPI number?

Dr. Mari Paz Castanedo Tardan's NPI number is 1578881041. It was assigned on May 9, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Mari Paz Castanedo Tardan?

Dr. Mari Paz Castanedo Tardan is a dermatologist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Mari Paz Castanedo Tardan practice?

Dr. Castanedo Tardan practices at 2215 Fuller Road, Ann Arbor, MI 48105. Dr. Castanedo Tardan's primary practice is Lieutenant Colonel Charles S. Kettles VA Medical Center in Ann Arbor, Michigan, part of Veterans Health Administration.

What is Dr. Mari Paz Castanedo Tardan's office phone number?

The practice phone on file for Dr. Castanedo Tardan is (734) 769-7100.

What is Dr. Mari Paz Castanedo Tardan's medical license number?

Dr. Castanedo Tardan holds Michigan license 4301108544, one of the licenses on file in 2 states.

Which states has Dr. Mari Paz Castanedo Tardan been licensed in?

Dmand AI has state licenses on file for Dr. Castanedo Tardan in Michigan and New Hampshire.

Which hospitals is Dr. Mari Paz Castanedo Tardan affiliated with?

Dr. Castanedo Tardan practices at Lieutenant Colonel Charles S. Kettles VA Medical Center in Ann Arbor, Michigan.

Does Dr. Mari Paz Castanedo Tardan accept Medicare?

Yes. CMS data shows Dr. Castanedo Tardan billed Medicare for 840 services in 2022.

What services does Dr. Mari Paz Castanedo Tardan bill to Medicare?

In 2022, Dr. Castanedo Tardan's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).

What drugs does Dr. Mari Paz Castanedo Tardan prescribe most?

In 2023 Medicare Part D data, Dr. Castanedo Tardan's most prescribed drugs by claims were Cephalexin, Mupirocin and Doxycycline Hyclate.

Has Dr. Mari Paz Castanedo Tardan received payments from drug or device companies?

CMS Open Payments shows $20 in general payments to Dr. Castanedo Tardan from 1 company from 2025 to 2025. The largest total came from Patriot Medical Distributors.

How long has Dr. Mari Paz Castanedo Tardan been practicing?

Dr. Castanedo Tardan graduated from medical school in 2005, 21 years ago.

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