Joaquin Andres Chapa

  • Portland, OR
  • Pulmonologist
NPI1609237536PAC ID6901192186
Medicare services, 2024
543
Medicare patients, 2024
235
Part D claims, 2024
523
Publications
6
Hospital affiliations
5
Practice address
1111 Ne 99th Ave, Portland, OR 97220
Practice phone
Call (503) 963-3030
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Gastroenterology East at Gateway

Portland, Oregon

See all 8 affiliations

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Joaquin Andres Chapa is a pulmonologist in Portland, Oregon

Joaquin Chapa practices at Gastroenterology East at Gateway in Portland, Oregon.

Joaquin Chapa's NPI, 1609237536, was assigned on March 20, 2016. Joaquin Chapa graduated from University of Chicago, Pritzker School of Medicine in 2016. Joaquin Chapa holds Oregon license MD210193.

NPI and contact details
Medicare PAC ID
6901192186
NPI enumeration date
March 20, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(503) 963-3030
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Joaquin Andres Chapa practices at Gastroenterology East at Gateway in Portland, Oregon

Joaquin Chapa's primary practice is Gastroenterology East at Gateway, at 1111 Ne 99th Ave, Portland, OR 97220 in Multnomah County. The practice phone is (503) 963-3030.

  • Gastroenterology East at Gateway
    1111 Ne 99th Ave, Portland, OR 97220 · Multnomah CountyPhone(503) 963-3030

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

Joaquin Andres Chapa is affiliated with 7 sites of care and 1 medical group

Joaquin Chapa's primary practice is Gastroenterology East at Gateway in Portland, Oregon. Joaquin Chapa is also affiliated with Providence Portland Medical Center. The medical group on file is The Oregon Clinic. Dmand AI also links Joaquin Chapa to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Joaquin Chapa

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

Dmand AI tracks the EHR system at Joaquin Andres Chapa's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Joaquin Chapa practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Gastroenterology East at GatewayAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Joaquin Andres Chapa is one of 162 pulmonologists in Oregon

Pulmonary disease is Joaquin Chapa's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Joaquin Chapa is licensed in Oregon.

Specialties and state licenses

  • Pulmonary disease, OregonPrimaryLicense MD210193 · taxonomy 207RP1001X

Pulmonologists near Joaquin Chapa

Counts of pulmonologists 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

Joaquin Andres Chapa billed Medicare for 543 services in 2024

CMS data shows 543 Medicare services from Joaquin Chapa across 16 procedure codes in 2024, for 235 Medicare patients. Medicare paid $51,254 for them.

Medicare services, 2024543
Medicare patients235
Paid by Medicare$51,254
Procedure codes16

Joaquin Chapa's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3882024: 4003%
Tests and treatments
2023: 1312024: 8237%
Imaging
2023: 562024: 3538%
Lab and pathology
2023: 02024: 14
Surgery
2023: 152024: 1220%
Drugs given in the office
2023: 272024: 0100%

Where Joaquin Chapa's Medicare services took place, 2024

  • In an office23844%
  • In a facility30556%

Joaquin Chapa compared with the Oregon median for pulmonologists, 2024

  • Joaquin Chapa
  • Oregon median
Medicare services
543vs 28591% above
Medicare patients
235vs 16840% above
Part D claims
427vs 61430% below

Medians across 159 pulmonologists in Oregon with Dmand AI profiles that report each measure.

Joaquin Chapa'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

Joaquin Andres Chapa treated 235 Medicare patients in 2024, average age 71

CMS counts 235 Medicare patients who saw Joaquin Chapa in 2024. The largest group is 65 to 74, with 101 patients. 74% of them have high blood pressure, and 67% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.01, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Joaquin Chapa's median patient age at 67, with 54% women.

Medicare patients, 2024235
Average age71
Average risk score2.01
Also on Medicaid29%

Joaquin Chapa's Medicare patients by age, 2024

Joaquin Chapa's Medicare patients by sex, 2024

  • Women12051%
  • Men11549%

Chronic conditions among Joaquin Chapa's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol67%
  3. Heart failure42%
  4. Arthritis41%
  5. Mood disorders40%
  6. COPD39%
  7. Anxiety36%
  8. Depression36%

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

Joaquin Chapa's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Joaquin Andres Chapa wrote 523 Medicare Part D claims in 2024

In 2024, Joaquin Chapa wrote 523 Medicare Part D claims for 98 patients. 46% of them were for generic drugs. CMS names the drug for 427 of them, across 16 drugs with 11 or more claims each, at $279,399 in total drug cost. In 2023, CMS named 270 claims across 12 drugs.

Part D claims, 2024523
Drugs named by CMS16
Total drug cost$279,399
Part D patients98

Joaquin Chapa's Part D claims by kind of drug, 2024

  • Generic238 claims46%
  • Brand-name285 claims54%

Joaquin Chapa'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 Joaquin Chapa's Part D claims, 2024

  • Antibiotics5%24 of 523 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: 2702024: 42758%

Drugs named by CMS: 16 in 2024, 12 in 2023.

See all prescribing by Joaquin Chapa

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

Joaquin Andres Chapa offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Joaquin Andres Chapa has 6 publications on record

Dmand AI links 6 papers to Joaquin Chapa, published from 2010 to 2023. 2023 was the busiest year, with 2. The most frequent topics are Breast Neoplasms, DNA Damage and DNA Repair. Joaquin Chapa has published most often in PLoS One. Joaquin Chapa's most frequent co-authors are Swati Kulkarni, MD, Christopher G. Slatore, MD and Sarah Jean Goodlin, MD.

Papers6
Years published2010 to 2023

Joaquin Chapa's papers by year, 2010 to 2023

Topics Joaquin Chapa writes about most

  • Breast Neoplasms
  • DNA Damage
  • DNA Repair
  • Epithelium
  • Mammary Glands, Human
  • Receptors, Estrogen

Joaquin Chapa's most frequent co-authors

Recent publications by Joaquin Chapa

See all 6 publications and co-authors

See who Joaquin Chapa researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Joaquin Chapa works with, so you can find a warm path to the right pulmonologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Joaquin Andres Chapa received $180 in industry payments from 2023 to 2025

CMS Open Payments shows 7 general payments to Joaquin Chapa from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $132.

General payments to Joaquin Chapa by program year, 2023 to 2025

Companies that paid Joaquin Chapa the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Joaquin Chapa

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

Joaquin Andres Chapa graduated from University of Chicago, Pritzker School of Medicine

Joaquin Chapa graduated from University of Chicago, Pritzker School of Medicine in 2016.

  1. Medical schoolUniversity of Chicago, Pritzker School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Joaquin Andres Chapa'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 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Joaquin Andres Chapa

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

What is Joaquin Andres Chapa's NPI number?

Joaquin Andres Chapa's NPI number is 1609237536. It was assigned on March 20, 2016, and it is active in the NPI Registry.

What does Joaquin Andres Chapa specialize in?

Joaquin Andres Chapa is a pulmonologist in Portland, Oregon. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Joaquin Andres Chapa practice?

Joaquin Chapa practices at 1111 Ne 99th Ave, Portland, OR 97220. Joaquin Chapa's primary practice is Gastroenterology East at Gateway in Portland, Oregon. Dmand AI also links Joaquin Chapa to 4 hospitals and 1 group practice or clinic.

What is Joaquin Andres Chapa's office phone number?

The practice phone on file for Joaquin Chapa is (503) 963-3030.

What is Joaquin Andres Chapa's medical license number?

Joaquin Chapa holds Oregon license MD210193.

Which hospitals is Joaquin Andres Chapa affiliated with?

Joaquin Chapa is affiliated with Providence Portland Medical Center. Dmand AI links Joaquin Chapa to 4 more hospitals.

What medical group is Joaquin Andres Chapa part of?

Joaquin Chapa is linked to The Oregon Clinic.

Does Joaquin Andres Chapa accept Medicare?

Yes. CMS data shows Joaquin Chapa billed Medicare for 543 services in 2024, and Joaquin Chapa accepts Medicare assignment.

Does Joaquin Andres Chapa offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Joaquin Chapa as offering telehealth services.

How many Medicare patients does Joaquin Andres Chapa see?

CMS counts 235 Medicare patients who saw Joaquin Chapa in 2024, with an average age of 71.

Show 7 more questionsShow fewer questions

What services does Joaquin Andres Chapa bill to Medicare?

In 2024, Joaquin Chapa's most billed Medicare services were critical care (99291), office visit, established patient (99214) and hospital inpatient care (99233).

Where did Joaquin Andres Chapa go to medical school?

Joaquin Chapa graduated from University of Chicago, Pritzker School of Medicine in 2016.

What drugs does Joaquin Andres Chapa prescribe most?

In 2024 Medicare Part D data, Joaquin Chapa's most prescribed drugs by claims were Trelegy Ellipta, Fluticasone-Salmeterol and Montelukast Sodium.

Has Joaquin Andres Chapa received payments from drug or device companies?

CMS Open Payments shows $180 in general payments to Joaquin Chapa from 3 companies from 2023 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Joaquin Andres Chapa been practicing?

Joaquin Chapa graduated from medical school in 2016, 10 years ago.

Does Joaquin Andres Chapa do research?

Dmand AI links 6 publications to Joaquin Chapa, published from 2010 to 2023.

Who does Joaquin Andres Chapa publish with?

Joaquin Chapa's most frequent co-authors are Swati Kulkarni, MD (2 shared papers), Christopher G. Slatore, MD (2 shared papers) and Sarah Jean Goodlin, MD (1 shared paper).

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