Dr. Deirdre McMullen, M.D.
What this data tells you about Dr. McMullen
Dr. Deirdre McMullen is a family medicine specialist in Missouri City, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. McMullen performed 1,290 Medicare services across 690 unique beneficiaries.
Between the years covered by Open Payments, Dr. McMullen received a total of $7,209 from 56 pharmaceutical and/or device companies across 246 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. McMullen is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
308 | $79 | $206 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
206 | $0 | $5 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
180 | $55 | $139 |
| Assessment of emotional or behavioral problems An evaluation to identify and understand emotional or behavioral issues. This process involves reviewing symptoms and behaviors to determine the nature of the concerns. |
169 | $3 | $10 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
112 | $9 | $47 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
47 | $30 | $47 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
45 | $59 | $60 |
| Drug test with direct observation A drug screening test performed under direct observation to ensure the sample is provided correctly. This method is used to verify the integrity of the specimen collection process. |
38 | $12 | $100 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
38 | $120 | $217 |
| Influenza virus detection test A laboratory test that uses an immunoassay technique to detect the presence of the influenza virus through direct visual observation. |
36 | $16 | $74 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
29 | $3 | $8 |
| COVID-19 antibody test A blood test that detects antibodies to the coronavirus that causes COVID-19. It provides a qualitative or semi-quantitative result to indicate whether antibodies are present. |
23 | $44 | $50 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
20 | $10 | $48 |
| Strep A rapid test A rapid test to detect Group A Streptococcus bacteria using an immunoassay method with direct visual observation. |
14 | $16 | $37 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
13 | $116 | $276 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
12 | $85 | $318 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (58%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 8% for family medicine in TX.
Geographic Context
6.6 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. McMullen is a clinical cardiology specialist, with above-average Medicare volume (top 22% in TX), with low-engagement industry engagement in the top 8% of TX peers, with 20 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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