Dr. Joseph David Nagan, DO
- Medicare services, 2024
- 505
- Medicare patients, 2024
- 263
- Part D claims, 2024
- 985
- MIPS score, 2024
- 79
- Hospital affiliations
- 1
- Practice address
- 301 University Boulevard, Galveston, TX 77555
- Practice phone
- Call (409) 772-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Joseph David Nagan is a pulmonologist in Galveston, Texas
Dr. Nagan practices at John Sealy Hospital in Galveston, Texas, part of The University of Texas System.
Dr. Nagan's NPI, 1164798591, was assigned on March 29, 2012. Dr. Nagan graduated from Touro College of Osteopathic Medicine - New York in 2010. Dr. Nagan holds Texas license T2452.
- NPI
- 1164798591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911135231
- NPI enumeration date
- March 29, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (409) 772-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph David Nagan practices at John Sealy Hospital in Galveston, Texas
Dr. Nagan's primary practice is John Sealy Hospital, at 301 University Boulevard, Galveston, TX 77555 in Galveston County. The practice phone is (409) 772-1011.
- John Sealy Hospital301 University Boulevard, Galveston, TX 77555 · Galveston CountyPhone(409) 772-1011
Source: Dmand AI Affiliation Data
Dr. Joseph David Nagan is affiliated with 1 site of care and 1 medical group
Dr. Nagan's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System. The medical group on file is UTMB Faculty Group Practice.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph David Nagan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nagan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Sealy Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph David Nagan is one of 900 pulmonologists in Texas
Pulmonary disease is Dr. Nagan's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Nagan is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Nagan is licensed in Texas.
Specialties and state licenses
- Pulmonary disease, TexasPrimary
Clinical focus
Dmand AI lists acute respiratory failure, asthma, bronchitis, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, pulmonary fibrosis and tobacco use among the conditions Dr. Nagan treats.
Pulmonologists near Dr. Nagan
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
Dr. Joseph David Nagan billed Medicare for 505 services in 2024
CMS data shows 505 Medicare services from Dr. Nagan across 12 procedure codes in 2024, for 263 Medicare patients. Medicare paid $39,843 for them.
Dr. Nagan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3402024: 39717%
- Tests and treatments
- 2023: 2512024: 7371%
- Other services
- 2023: 02024: 35
Where Dr. Nagan's Medicare services took place, 2024
- In an office245%
- In a facility48195%
Dr. Nagan compared with the Texas median for pulmonologists, 2024
- Dr. Nagan
- Texas median
- Medicare services
- 505vs 90844% below
- Medicare patients
- 263vs 32218% below
- Part D claims
- 842vs 51563% above
Medians across 862 pulmonologists in Texas with Dmand AI profiles that report each measure.
Dr. Nagan'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nagan and other pulmonologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joseph David Nagan treated 263 Medicare patients in 2024, average age 74
CMS counts 263 Medicare patients who saw Dr. Nagan in 2024. The largest group is 65 to 74, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.33, 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. Nagan's median patient age at 73, with 58% women.
Dr. Nagan's Medicare patients by age, 2024
Dr. Nagan's Medicare patients by sex, 2024
- Women13652%
- Men12748%
Chronic conditions among Dr. Nagan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure49%
- Ischemic heart disease48%
- Arthritis46%
- COPD46%
- Diabetes41%
- Anxiety40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nagan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph David Nagan wrote 985 Medicare Part D claims in 2024
In 2024, Dr. Nagan wrote 985 Medicare Part D claims for 173 patients. 58% of them were for generic drugs. CMS names the drug for 842 of them, across 20 drugs with 11 or more claims each, at $133,861 in total drug cost. In 2023, CMS named 744 claims across 17 drugs.
Dr. Nagan's Part D claims by kind of drug, 2024
- Generic573 claims58%
- Brand-name and other412 claims42%
Dr. Nagan'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. Nagan's Part D claims, 2024
- Antibiotics1%12 of 985 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: 7442024: 84213%
Drugs named by CMS: 20 in 2024, 17 in 2023.
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. Joseph David Nagan scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Nagan for performance year 2024, reported as part of a group. Dr. Nagan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nagan's MIPS scores, performance year 2024
- 79of 100Final score
- 73.4of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Joseph David Nagan received $362 in industry payments from 2016 to 2024
CMS Open Payments shows 4 general payments to Dr. Nagan from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $247.
General payments to Dr. Nagan by program year, 2016 to 2024
Companies that paid Dr. Nagan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joseph David Nagan graduated from Touro College of Osteopathic Medicine - New York
Dr. Nagan graduated from Touro College of Osteopathic Medicine - New York in 2010.
- Medical school
- Board certified in critical care medicine
- Board certified in pulmonary disease
- Board certified in 2012 - 2022
- Board certified in 2018 - 2021
- Board certified in 2021 - 2026
Source: Dmand AI Professional Profile Data
Dr. Joseph David Nagan accepts plans from 23 insurance carriers
Dr. Nagan is in network with 23 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- Aspirus Health Plan
- +15 more carriersWith a free account
Plan types Dr. Nagan accepts, by number of carriers
- HMO13
- PPO13
- Medicare9
- POS5
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Joseph David Nagan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Joseph David Nagan
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. Joseph David Nagan's NPI number?
Dr. Joseph David Nagan's NPI number is 1164798591. It was assigned on March 29, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph David Nagan?
Dr. Joseph David Nagan is a pulmonologist in Galveston, Texas. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Joseph David Nagan practice?
Dr. Nagan practices at 301 University Boulevard, Galveston, TX 77555. Dr. Nagan's primary practice is John Sealy Hospital in Galveston, Texas, part of The University of Texas System.
What is Dr. Joseph David Nagan's office phone number?
The practice phone on file for Dr. Nagan is (409) 772-1011.
What is Dr. Joseph David Nagan's medical license number?
Dr. Nagan holds Texas license T2452.
Which hospitals is Dr. Joseph David Nagan affiliated with?
Dr. Nagan practices at John Sealy Hospital in Galveston, Texas.
What medical group is Dr. Joseph David Nagan part of?
Dr. Nagan is linked to UTMB Faculty Group Practice.
Does Dr. Joseph David Nagan accept Medicare?
Yes. CMS data shows Dr. Nagan billed Medicare for 505 services in 2024, and Dr. Nagan accepts Medicare assignment.
What is Dr. Joseph David Nagan's MIPS score?
Dr. Nagan's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Dr. Joseph David Nagan see?
CMS counts 263 Medicare patients who saw Dr. Nagan in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
Is Dr. Joseph David Nagan board certified?
Yes. Dr. Nagan is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Dr. Joseph David Nagan bill to Medicare?
In 2024, Dr. Nagan's most billed Medicare services were hospital inpatient care (99233), critical care (99291) and hospital inpatient care (99232).
Where did Dr. Joseph David Nagan go to medical school?
Dr. Nagan graduated from Touro College of Osteopathic Medicine - New York in 2010.
What drugs does Dr. Joseph David Nagan prescribe most?
In 2024 Medicare Part D data, Dr. Nagan's most prescribed drugs by claims were Albuterol Sulfate Hfa, Fluticasone Propionate and Levocetirizine Dihydrochloride.
Has Dr. Joseph David Nagan received payments from drug or device companies?
CMS Open Payments shows $362 in general payments to Dr. Nagan from 3 companies from 2016 to 2024. The largest total came from Genentech, Inc.
How long has Dr. Joseph David Nagan been practicing?
Dr. Nagan graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Joseph David Nagan accept?
Dr. Nagan is in network with 23 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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