Dr. Nancy G. Marquez, MD
- Medicare services, 2024
- 72
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 107
- Hospital affiliations
- 1
- Industry payments
- $749,578
- Practice address
- 3705 Medical Pkwy, Austin, TX 78705
- Practice phone
- Call (512) 458-4391
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dell Children's Ear, Nose, and Throat
Austin, Texas
Find Dr. Marquez's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nancy G. Marquez is a general surgeon in Austin, Texas
Dr. Marquez practices at Dell Children's Ear, Nose, and Throat in Austin, Texas.
Dr. Marquez's NPI, 1912986803, was assigned on January 10, 2006. Dr. Marquez graduated from Baylor College Of Medicine in 1986. Dr. Marquez holds Texas license H2562.
- NPI
- 1912986803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153399175
- NPI enumeration date
- January 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (512) 458-4391
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nancy G. Marquez practices at Dell Children's Ear, Nose, and Throat in Austin, Texas
Dr. Marquez's primary practice is Dell Children's Ear, Nose, and Throat, at 3705 Medical Pkwy, Austin, TX 78705 in Travis County. The practice phone is (512) 458-4391.
- Dell Children's Ear, Nose, and Throat3705 Medical Pkwy, Austin, TX 78705 · Travis CountyPhone(512) 458-4391
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nancy G. Marquez is affiliated with 4 sites of care and 2 medical groups
Dr. Marquez's primary practice is Dell Children's Ear, Nose, and Throat in Austin, Texas. Dr. Marquez is also affiliated with St. David's Medical Center. The medical group on file is Southwest Bariatric Surgeons. Dmand AI also links Dr. Marquez to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nancy G. Marquez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marquez practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dell Children's Ear, Nose, and Throat | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nancy G. Marquez is one of 1,939 general surgeons in Texas
Surgery is Dr. Marquez's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Marquez is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Marquez's licenses on file in 2 states: Texas and Louisiana.
Specialties and state licenses
- Surgery, TexasPrimary
- Louisiana license
Clinical focus
Dmand AI lists bariatric surgery, esophagus, stomach, or upper small intestine surgery, gallbladder removal and mastectomy among the conditions Dr. Marquez treats.
General surgeons near Dr. Marquez
Counts of general surgeons 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. Nancy G. Marquez billed Medicare for 72 services in 2024
CMS data shows 72 Medicare services from Dr. Marquez across 3 procedure codes in 2024, all of them office visits, for 54 Medicare patients. Medicare paid $5,974 for them. Every service was in an office.
Dr. Marquez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 942024: 7223%
Dr. Marquez compared with the Texas median for general surgeons, 2024
- Dr. Marquez
- Texas median
- Medicare services
- 72vs 11839% below
- Medicare patients
- 54vs 9744% below
- Part D claims
- 64vs 4252% above
Medians across 1,674 general surgeons in Texas with Dmand AI profiles that report each measure.
Dr. Marquez'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. Marquez and other general surgeons in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nancy G. Marquez treated 54 Medicare patients in 2024, average age 71
CMS counts 54 Medicare patients who saw Dr. Marquez in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marquez's median patient age at 54, with 92% women.
Dr. Marquez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Marquez's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis52%
- Cancer35%
- Mood disorders28%
- Depression26%
- Diabetes26%
- Osteoporosis26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marquez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women92%
- Men8%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nancy G. Marquez wrote 107 Medicare Part D claims in 2024
In 2024, Dr. Marquez wrote 107 Medicare Part D claims for 37 patients. 97% of them were for generic drugs. CMS names the drug for 64 of them, across 4 drugs with 11 or more claims each, at $354 in total drug cost. In 2023, CMS named 78 claims across 5 drugs.
Dr. Marquez's Part D claims by kind of drug, 2024
- Generic104 claims97%
- Brand-name and other3 claims3%
Dr. Marquez'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 782024: 6418%
Drugs named by CMS: 4 in 2024, 5 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. Nancy G. Marquez offers telehealth to Medicare patients
Dr. Marquez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marquez as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nancy G. Marquez received $749,578 in industry payments from 2016 to 2025
CMS Open Payments shows 1,074 general payments to Dr. Marquez from 31 drug and device companies from 2016 to 2025. Education make up the largest share, 77% of the total. Intuitive Surgical, Inc. paid the most, $739,889.
General payments to Dr. Marquez by program year, 2016 to 2025
General payments to Dr. Marquez by kind, 2016 to 2025
- Education$576,24477%
- Travel and lodging$112,34615%
- Speaker and faculty fees$37,4505%
- Food and beverage$23,5393%
Companies that paid Dr. Marquez the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nancy G. Marquez has 1 award and honors on record
Dmand AI lists 1 award for Dr. Marquez.
Awards and honors for Dr. Marquez
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Nancy G. Marquez graduated from Baylor College Of Medicine
Dr. Marquez graduated from Baylor College Of Medicine in 1986. Dr. Marquez is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Nancy G. Marquez accepts plans from 22 insurance carriers
Dr. Marquez is in network with 22 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- +14 more carriersWith a free account
Plan types Dr. Marquez accepts, by number of carriers
- PPO14
- HMO11
- Medicare10
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Nancy G. Marquez'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Nancy G. Marquez
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. Nancy G. Marquez's NPI number?
Dr. Nancy G. Marquez's NPI number is 1912986803. It was assigned on January 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nancy G. Marquez?
Dr. Nancy G. Marquez is a general surgeon in Austin, Texas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nancy G. Marquez practice?
Dr. Marquez practices at 3705 Medical Pkwy, Austin, TX 78705. Dr. Marquez's primary practice is Dell Children's Ear, Nose, and Throat in Austin, Texas. Dmand AI also links Dr. Marquez to 2 group practices and clinics and 1 medical group.
What is Dr. Nancy G. Marquez's office phone number?
The practice phone on file for Dr. Marquez is (512) 458-4391.
What is Dr. Nancy G. Marquez's medical license number?
Dr. Marquez holds Texas license H2562, one of the licenses on file in 2 states.
Which states has Dr. Nancy G. Marquez been licensed in?
Dmand AI has state licenses on file for Dr. Marquez in Texas (1987 to 2026) and Louisiana (1991 to 2001).
Which hospitals is Dr. Nancy G. Marquez affiliated with?
Dr. Marquez is affiliated with St. David's Medical Center.
What medical group is Dr. Nancy G. Marquez part of?
Dr. Marquez is linked to Southwest Bariatric Surgeons. Dmand AI links Dr. Marquez to 1 more medical group.
Does Dr. Nancy G. Marquez accept Medicare?
Yes. CMS data shows Dr. Marquez billed Medicare for 72 services in 2024, and Dr. Marquez accepts Medicare assignment.
Does Dr. Nancy G. Marquez offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marquez as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Nancy G. Marquez see?
CMS counts 54 Medicare patients who saw Dr. Marquez in 2024, with an average age of 71.
Is Dr. Nancy G. Marquez board certified?
Yes. Dr. Marquez is board certified in surgery by the American Board of Surgery.
What services does Dr. Nancy G. Marquez bill to Medicare?
In 2024, Dr. Marquez's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99204).
Where did Dr. Nancy G. Marquez go to medical school?
Dr. Marquez graduated from Baylor College Of Medicine in 1986.
What drugs does Dr. Nancy G. Marquez prescribe most?
In 2024 Medicare Part D data, Dr. Marquez's most prescribed drugs by claims were Celecoxib, Gabapentin and Pantoprazole Sodium.
Has Dr. Nancy G. Marquez received payments from drug or device companies?
CMS Open Payments shows $749,578 in general payments to Dr. Marquez from 31 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Nancy G. Marquez been practicing?
Dr. Marquez graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Nancy G. Marquez accept?
Dr. Marquez is in network with 22 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
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