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Dr. William Wynn McMullen, MD
NPI1013911072PAC ID7113907676
- Medicare services, 2024
- 5,555
- Medicare patients, 2024
- 855
- Part D claims, 2024
- 2,396
- Publications
- 2
- MIPS score, 2024
- 75
- Practice address
- 555 E Medical Center Blvd, Webster, TX 77598
- Practice phone
- Call (281) 488-7213
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Coastal Eye Associates
Webster, Texas
Find Dr. McMullen's professional email, personal email and mobile number
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Dr. William Wynn McMullen is an ophthalmologist in Webster, Texas
Dr. McMullen practices at Coastal Eye Associates in Webster, Texas.
Dr. McMullen's NPI, 1013911072, was assigned on June 8, 2005. Dr. McMullen graduated from McGovern Medical School in 1986. Dr. McMullen's Texas license number on file is H2595.
NPI and contact details
- NPI
- 1013911072NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113907676
- NPI enumeration date
- June 8, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 488-7213
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. William Wynn McMullen practices at Coastal Eye Associates in Webster, Texas
Dr. McMullen's primary practice is Coastal Eye Associates, at 555 E Medical Center Blvd, Webster, TX 77598 in Harris County. The practice phone is (281) 488-7213.
- Coastal Eye Associates555 E Medical Center Blvd, Webster, TX 77598 · Harris CountyPhone(281) 488-7213
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Wynn McMullen is affiliated with 2 sites of care and 1 medical group
Dr. McMullen's primary practice is Coastal Eye Associates in Webster, Texas. Dmand AI also links Dr. McMullen to 1 group practice or clinic and 1 medical group, each named with a free account.
Coastal Eye AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Wynn McMullen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McMullen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Coastal Eye Associates | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Wynn McMullen is one of 1,311 ophthalmologists in Texas
Ophthalmology is Dr. McMullen's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. McMullen is board certified in ophthalmology by the American Board of Ophthalmology. Dr. McMullen has a license on file in Texas.
Specialties and state licenses
- Ophthalmology, TexasPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. McMullen treats.
Ophthalmologists near Dr. McMullen
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
1,311ophthalmologists in Texas
8ophthalmologists in Webster
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Wynn McMullen billed Medicare for 5,555 services in 2024
CMS data shows 5,555 Medicare services from Dr. McMullen across 13 procedure codes in 2024, for 855 Medicare patients. Medicare paid $840,608 for them.
Medicare services, 20245,555
Medicare patients855
Paid by Medicare$840,608
Procedure codes13
Dr. McMullen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,4742024: 3,05112%
- Drugs given in the office
- 2023: 1,3982024: 1,4121%
- Surgery
- 2023: 1,2142024: 1,09210%
Where Dr. McMullen's Medicare services took place, 2024
- In an office5,43098%
- In a facility1252%
Dr. McMullen compared with the Texas median for ophthalmologists, 2024
- Dr. McMullen
- Texas median
- Medicare services
- 5,555vs 1,3534.1 times
- Medicare patients
- 855vs 49274% above
- Part D claims
- 2,319vs 6133.8 times
Medians across 1,290 ophthalmologists in Texas with Dmand AI profiles that report each measure.
Dr. McMullen'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. McMullen and other ophthalmologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Wynn McMullen treated 855 Medicare patients in 2024, average age 79
CMS counts 855 Medicare patients who saw Dr. McMullen in 2024. The largest group is 75 to 84, with 349 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McMullen's median patient age at 77, with 58% women.
Medicare patients, 2024855
Average age79
Average risk score1.49
Also on Medicaid3%
Dr. McMullen's Medicare patients by age, 2024
Dr. McMullen's Medicare patients by sex, 2024
- Women48156%
- Men37444%
Chronic conditions among Dr. McMullen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease40%
- Diabetes36%
- Chronic kidney disease30%
- Atrial fibrillation22%
- Heart failure22%
Share of Medicare patients with each condition. A patient can have several.
Dr. McMullen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Wynn McMullen wrote 2,396 Medicare Part D claims in 2024
In 2024, Dr. McMullen wrote 2,396 Medicare Part D claims for 686 patients. 60% of them were for generic drugs. CMS names the drug for 2,319 of them, across 18 drugs with 11 or more claims each, at $125,534 in total drug cost. In 2023, CMS named 2,366 claims across 20 drugs.
Part D claims, 20242,396
Drugs named by CMS18
Total drug cost$125,534
Part D patients686
Dr. McMullen's Part D claims by kind of drug, 2024
- Generic1,434 claims60%
- Brand-name962 claims40%
Dr. McMullen'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: 2,3662024: 2,3192%
Drugs named by CMS: 18 in 2024, 20 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. William Wynn McMullen scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. McMullen for performance year 2024, reported individually. Dr. McMullen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 176 procedures of cataract surgery by Dr. McMullen, more than 82% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. McMullen ranks in Medicare procedure volume
- Cataract surgery
- 82nd percentile176 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. William Wynn McMullen has 2 publications on record
Dmand AI links 2 papers to Dr. McMullen. Dr. McMullen's most frequent co-authors are Eric J. Friedrichsen, MD and Charles A. Garcia, MD.
Papers2
Dr. McMullen's most frequent co-authors
Recent publications by Dr. McMullen
Ophthalmic Surg
Drug StorageSulfur Hexafluoride
See who Dr. McMullen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McMullen works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Wynn McMullen received $2,485 in industry payments from 2016 to 2025
CMS Open Payments shows 78 general payments to Dr. McMullen from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Alcon Laboratories Inc paid the most, $1,310.
General payments to Dr. McMullen by program year, 2016 to 2025
General payments to Dr. McMullen by kind, 2016 to 2025
$2.5Kin total
- Food and beverage$2,40297%
- Speaker and faculty fees$833%
Companies that paid Dr. McMullen 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. William Wynn McMullen graduated from McGovern Medical School
Dr. McMullen graduated from McGovern Medical School in 1986.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. William Wynn McMullen accepts plans from 23 insurance carriers
Dr. McMullen is in network with 23 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 15. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Cigna
- +15 more carriersWith a free account
Plan types Dr. McMullen accepts, by number of carriers
- HMO15
- PPO14
- Medicare12
- POS8
- EPO5
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. William Wynn McMullen'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. William Wynn McMullen
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. William Wynn McMullen's NPI number?
Dr. William Wynn McMullen's NPI number is 1013911072. It was assigned on June 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William Wynn McMullen?
Dr. William Wynn McMullen is an ophthalmologist in Webster, Texas. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William Wynn McMullen practice?
Dr. McMullen practices at 555 E Medical Center Blvd, Webster, TX 77598. Dr. McMullen's primary practice is Coastal Eye Associates in Webster, Texas. Dmand AI also links Dr. McMullen to 1 group practice or clinic and 1 medical group.
What is Dr. William Wynn McMullen's office phone number?
The practice phone on file for Dr. McMullen is (281) 488-7213.
What is Dr. William Wynn McMullen's medical license number?
Dr. McMullen's Texas license number on file is H2595.
Does Dr. William Wynn McMullen accept Medicare?
Yes. CMS data shows Dr. McMullen billed Medicare for 5,555 services in 2024, and Dr. McMullen accepts Medicare assignment.
What is Dr. William Wynn McMullen's MIPS score?
Dr. McMullen's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. William Wynn McMullen see?
CMS counts 855 Medicare patients who saw Dr. McMullen in 2024, with an average age of 79.
Is Dr. William Wynn McMullen board certified?
Yes. Dr. McMullen is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. William Wynn McMullen bill to Medicare?
In 2024, Dr. McMullen's most billed Medicare services were eye exam or test (92134), surgery: eye (67028) and injected or infused drug (J0178).
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Where did Dr. William Wynn McMullen go to medical school?
Dr. McMullen graduated from McGovern Medical School in 1986.
What drugs does Dr. William Wynn McMullen prescribe most?
In 2024 Medicare Part D data, Dr. McMullen's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Ofloxacin.
Has Dr. William Wynn McMullen received payments from drug or device companies?
CMS Open Payments shows $2,485 in general payments to Dr. McMullen from 20 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. William Wynn McMullen been practicing?
Dr. McMullen graduated from medical school in 1986, 40 years ago.
Does Dr. William Wynn McMullen do research?
Dmand AI links 2 publications to Dr. McMullen.
Who does Dr. William Wynn McMullen publish with?
Dr. McMullen's most frequent co-authors are Eric J. Friedrichsen, MD (1 shared paper) and Charles A. Garcia, MD (1 shared paper).
What insurance does Dr. William Wynn McMullen accept?
Dr. McMullen is in network with 23 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. HMO plans come from the most carriers, 15. Check the plan with the practice before a visit.
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