Dr. Gary T. Gillham, DO
- Medicare services, 2024
- 1,052
- Medicare patients, 2024
- 317
- Part D claims, 2024
- 420
- Hospital affiliations
- 1
- Industry payments
- $1,070
- Practice address
- 1235 E Cherokee St, Springfield, MO 65804
- Practice phone
- Call (417) 820-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Hospital Springfield & Children's Mercy
Springfield, Missouri
Find Dr. Gillham's professional email, personal email and mobile number
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Dr. Gary T. Gillham is an ophthalmologist in Springfield, Missouri
Dr. Gillham practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri.
Dr. Gillham's NPI, 1245386333, was assigned on January 25, 2007. Dr. Gillham graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2003. Dr. Gillham holds Missouri license 2008023553.
- NPI
- 1245386333NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214004043
- NPI enumeration date
- January 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (417) 820-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary T. Gillham practices at Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri
Dr. Gillham's primary practice is Mercy Hospital Springfield & Children's Mercy, at 1235 E Cherokee St, Springfield, MO 65804 in Greene County. The practice phone is (417) 820-2000.
- Mercy Hospital Springfield & Children's Mercy1235 E Cherokee St, Springfield, MO 65804 · Greene CountyPhone(417) 820-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary T. Gillham is affiliated with 2 sites of care and 1 medical group
Dr. Gillham's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri. Dr. Gillham is also affiliated with Mercy Hospital Springfield. The medical group on file is Mercy Clinic Family Medicine - Hollister.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary T. Gillham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gillham practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital Springfield & Children's Mercy | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary T. Gillham is one of 270 ophthalmologists in Missouri
Ophthalmology is Dr. Gillham's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dmand AI has Dr. Gillham's licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Ophthalmology, MissouriPrimary
- Illinois license
Ophthalmologists near Dr. Gillham
Counts of ophthalmologists 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. Gary T. Gillham billed Medicare for 1,052 services in 2024
CMS data shows 1,052 Medicare services from Dr. Gillham across 10 procedure codes in 2024, for 317 Medicare patients. Medicare paid $129,174 for them.
Dr. Gillham's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7002024: 7162%
- Surgery
- 2023: 2762024: 33622%
Where Dr. Gillham's Medicare services took place, 2024
- In an office98494%
- In a facility686%
Dr. Gillham compared with the Missouri median for ophthalmologists, 2024
- Dr. Gillham
- Missouri median
- Medicare services
- 1,052vs 1,58234% below
- Medicare patients
- 317vs 63050% below
- Part D claims
- 382vs 70346% below
Medians across 286 ophthalmologists in Missouri with Dmand AI profiles that report each measure.
Dr. Gillham'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.
Need commercial claims for Dr. Gillham?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gillham and other ophthalmologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary T. Gillham treated 317 Medicare patients in 2024, average age 74
CMS counts 317 Medicare patients who saw Dr. Gillham in 2024. The largest group is 65 to 74, with 165 patients. 74% of them have high cholesterol, and 72% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gillham's median patient age at 73, with 59% women.
Dr. Gillham's Medicare patients by age, 2024
Dr. Gillham's Medicare patients by sex, 2024
- Women19060%
- Men12740%
Chronic conditions among Dr. Gillham's Medicare patients, 2024
- High cholesterol74%
- High blood pressure72%
- Arthritis53%
- Chronic kidney disease32%
- Diabetes30%
- Mood disorders27%
- Depression23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gillham'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
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary T. Gillham wrote 420 Medicare Part D claims in 2024
In 2024, Dr. Gillham wrote 420 Medicare Part D claims for 313 patients. 51% of them were for generic drugs. CMS names the drug for 382 of them, across 5 drugs with 11 or more claims each, at $5,276 in total drug cost. In 2023, CMS named 360 claims across 6 drugs.
Dr. Gillham's Part D claims by kind of drug, 2024
- Generic213 claims51%
- Brand-name207 claims49%
Dr. Gillham'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. Gillham's Part D claims, 2024
- Antibiotics4%17 of 420 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: 3602024: 3826%
Drugs named by CMS: 5 in 2024, 6 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. Gary T. Gillham ranks in the 85th percentile for cataract surgery in Medicare
Dr. Gillham accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 227 procedures of cataract surgery by Dr. Gillham, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Gillham ranks in Medicare procedure volume
- Cataract surgery
- 85th percentile227 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gary T. Gillham received $1,070 in industry payments from 2016 to 2024
CMS Open Payments shows 22 general payments to Dr. Gillham from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Surgical Vision, Inc. paid the most, $489.
General payments to Dr. Gillham by program year, 2016 to 2024
Companies that paid Dr. Gillham 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. Gary T. Gillham graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Gillham graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary T. Gillham'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 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)Doctors and Clinicians Utilization Data (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 |
| 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. Gary T. Gillham
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. Gary T. Gillham's NPI number?
Dr. Gary T. Gillham's NPI number is 1245386333. It was assigned on January 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary T. Gillham?
Dr. Gary T. Gillham is an ophthalmologist in Springfield, Missouri. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Gary T. Gillham practice?
Dr. Gillham practices at 1235 E Cherokee St, Springfield, MO 65804. Dr. Gillham's primary practice is Mercy Hospital Springfield & Children's Mercy in Springfield, Missouri.
What is Dr. Gary T. Gillham's office phone number?
The practice phone on file for Dr. Gillham is (417) 820-2000.
What is Dr. Gary T. Gillham's medical license number?
Dr. Gillham holds Missouri license 2008023553, one of the licenses on file in 2 states.
Which states has Dr. Gary T. Gillham been licensed in?
Dmand AI has state licenses on file for Dr. Gillham in Missouri and Illinois.
Which hospitals is Dr. Gary T. Gillham affiliated with?
Dr. Gillham is affiliated with Mercy Hospital Springfield.
What medical group is Dr. Gary T. Gillham part of?
Dr. Gillham is linked to Mercy Clinic Family Medicine - Hollister.
Does Dr. Gary T. Gillham accept Medicare?
Yes. CMS data shows Dr. Gillham billed Medicare for 1,052 services in 2024, and Dr. Gillham accepts Medicare assignment.
How many Medicare patients does Dr. Gary T. Gillham see?
CMS counts 317 Medicare patients who saw Dr. Gillham in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Gary T. Gillham bill to Medicare?
In 2024, Dr. Gillham's most billed Medicare services were eye exam or test (92136), surgery: eye (66984) and eye exam or test (92004).
Where did Dr. Gary T. Gillham go to medical school?
Dr. Gillham graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2003.
What drugs does Dr. Gary T. Gillham prescribe most?
In 2024 Medicare Part D data, Dr. Gillham's most prescribed drugs by claims were Prednisolone Acetate, Erythromycin and Latanoprost.
Has Dr. Gary T. Gillham received payments from drug or device companies?
CMS Open Payments shows $1,070 in general payments to Dr. Gillham from 8 companies from 2016 to 2024. The largest total came from Johnson & Johnson Surgical Vision, Inc.
How long has Dr. Gary T. Gillham been practicing?
Dr. Gillham graduated from medical school in 2003, 23 years ago.
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