JOSEPH DAVID NAGAN D.O.
NPI 1164798591
Internal Medicine - Pulmonary Disease in Galveston, TX

Q: What is Joseph Nagan's NPI number?

The NPI number for Joseph Nagan is 1164798591. It was assigned to this individual provider in the NPPES registry on March 29, 2012.

Q: What is Joseph Nagan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Nagan was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 29, 2012PECOS EnrolledAccepts Medicare Assignment

301 UNIVERSITY BLVD, GALVESTON, TX 77555(409) 772-2436(702) 671-5198 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2026, May 18, 2022, Nov 24, 2021 and 2 more (5 updates tracked since 2018).

On this page

About Joseph David Nagan D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH DAVID NAGAN D.O. (NPI 1164798591) is an individual pulmonary disease provider in Galveston, Texas, licensed in Texas (T2452) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1164798591

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameJOSEPH DAVID NAGANCredential: D.O.

Location Address301 UNIVERSITY BLVDGalveston, TX 77555-2353

Mailing AddressPo Box 650859 Dept 710Dallas, TX 75265 · (409) 772-1084 · Fax (409) 747-1023

Phone(409) 772-2436

Fax(702) 671-5198

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateMarch 29, 2012

Last NPPES UpdateAugust 12, 20265 updates tracked since enumeration

NPPES CertifiedAugust 12, 2026

✔ NPI 1164798591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in TX · T2452

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License T2452 (TX)

301 UNIVERSITY BLVD, Galveston, TX 77555

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Other Identifiers 1

Medicaid1164798591NV

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company, WellPoint.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Joseph David Nagan D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911135231

PECOS Enrollment IDI20211201001214

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Joseph Nagan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Utmb Faculty Group Practice

Same address

General Practice

301 UNIVERSITY BLVD
Galveston, TX 77555

Reassigned Medicare billing, Texas enrollment
2,222 clinicians in this Medicare group

NPI 1942241146 (409) 772-2222

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

100 services49 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

98 services48 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

66 services42 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

39 services33 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

27 services27 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

25 services25 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

25 services23 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

18 services18 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

18 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

17 services17 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

13 services13 patients

Test to measure expiratory airflow and volume 94010

12 services12 patients

Test to determine lung volumes using sensors 94726

12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Texas Medical Branch Galveston

Acute Care Hospitals · Galveston, TX

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number450018

Location301 University BoulevardGalveston, TX 77555 · Galveston County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77555 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$131.16 typical visit price

range $57.19 – $173.07

Typical copayment $32.79 (range $14.29 – $43.26)

Most-billed visit code 99204

Established Patient

$100.90 typical visit price

range $18.45 – $141.36

Typical copayment $25.22 (range $4.61 – $35.34)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY KATHERINE HAVERTY PNP

Nurse Practitioner (Pediatrics)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-2222

EVA NOVAK BLIGHT NNP

Nurse Practitioner (Neonatal)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-2222

DR. JENNIFER ANN MINNEMAN MD

Surgery (Trauma Surgery)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-1011

DR. JAMES HAROLD PAVELA MD

Internal Medicine

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-7063

DIAA HAMOUDA MBBCH

Psychiatry & Neurology (Neurology)

301 UNIVERSITY BLVD, JSA 9.128
GALVESTON, TX 77555

Galveston County (409) 772-8031

SOMMER KIRSCH CAUSEY MD

Anesthesiology

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-1221

RANDA ABDELMASIH MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (832) 505-2300

HEATHER PENTON

Anesthesiology

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-2222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Nagan's NPI number?

The NPI number for Joseph Nagan is 1164798591. It was assigned to this individual provider in the NPPES registry on March 29, 2012.

Where is Joseph Nagan located?

Joseph Nagan practices at 301 University Blvd, Galveston, TX 77555. The listed phone number is (409) 772-2436.

What is Joseph Nagan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Joseph Nagan enrolled in Medicare?

Yes. Joseph Nagan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Joseph Nagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Nagan reassigns Medicare benefits to Utmb Faculty Group Practice (Galveston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Nagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Nagan accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and WellPoint list Joseph Nagan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joseph Nagan affiliated with any hospitals?

According to CMS data, Joseph Nagan is affiliated with University Of Texas Medical Branch Galveston.

When was this NPI record last updated?

The NPPES record for Joseph Nagan was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.