BenchmarkingBiomechanical PhenomenaCornea
Dr. Ann Zerella McColgin, MD
NPI1982799227PAC ID8426045774
- Medicare services, 2024
- 2,259
- Medicare patients, 2024
- 574
- Part D claims, 2024
- 1,651
- Publications
- 2
- MIPS score, 2024
- 90
- Practice address
- 4620 East Camp Lowell Drive, Tucson, AZ 85712
- Practice phone
- Call (520) 618-6058
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Camp Lowell Surgery Center
Surgery Center - Medicare-Certified · Tucson, Arizona
Find Dr. McColgin's professional email, personal email and mobile number
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Dr. Ann Zerella McColgin is an ophthalmologist in Tucson, Arizona
Dr. McColgin practices at Camp Lowell Surgery Center in Tucson, Arizona.
Dr. McColgin's NPI, 1982799227, was assigned on October 3, 2006. Dr. McColgin graduated from Georgia College of Eclectric Medicine and Surgery in 1994. Dr. McColgin holds Arizona license 30882.
NPI and contact details
- NPI
- 1982799227NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426045774
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 618-6058
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ann Zerella McColgin practices at Camp Lowell Surgery Center in Tucson, Arizona
Dr. McColgin's primary practice is Camp Lowell Surgery Center, at 4620 East Camp Lowell Drive, Tucson, AZ 85712. The practice phone is (520) 618-6058.
- Camp Lowell Surgery Center4620 East Camp Lowell Drive, Tucson, AZ 85712Phone(520) 618-6058
Source: Dmand AI Affiliation Data
Dr. Ann Zerella McColgin is affiliated with 2 sites of care and 1 medical group
Dr. McColgin's primary practice is Camp Lowell Surgery Center in Tucson, Arizona. Dmand AI also links Dr. McColgin to 1 group practice or clinic and 1 medical group, each named with a free account.
Camp Lowell Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ann Zerella McColgin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McColgin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Camp Lowell Surgery Center | 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. Ann Zerella McColgin is one of 293 ophthalmologists in Arizona
Ophthalmology is Dr. McColgin's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. McColgin is licensed in Arizona.
Specialties and state licenses
- Ophthalmology, ArizonaPrimary
Ophthalmologists near Dr. McColgin
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. Ann Zerella McColgin billed Medicare for 2,259 services in 2024
CMS data shows 2,259 Medicare services from Dr. McColgin across 22 procedure codes in 2024, for 574 Medicare patients. Medicare paid $257,027 for them.
Medicare services, 20242,259
Medicare patients574
Paid by Medicare$257,027
Procedure codes22
Dr. McColgin's Medicare services by type, 2024
- Tests and treatments1,439
- Surgery428
- Office and hospital visits236
- Imaging156
Where Dr. McColgin's Medicare services took place, 2024
- In an office1,90184%
- In a facility35816%
Dr. McColgin compared with the Arizona median for ophthalmologists, 2024
- Dr. McColgin
- Arizona median
- Medicare services
- 2,259vs 1,70932% above
- Medicare patients
- 574vs 591Close to median
- Part D claims
- 1,542vs 6542.4 times
Medians across 293 ophthalmologists in Arizona with Dmand AI profiles that report each measure.
Dr. McColgin'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. McColgin and other ophthalmologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ann Zerella McColgin treated 574 Medicare patients in 2024, average age 76
CMS counts 574 Medicare patients who saw Dr. McColgin in 2024. The largest group is 75 to 84, with 263 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McColgin's median patient age at 75, with 63% women.
Medicare patients, 2024574
Average age76
Average risk score0.96
Also on Medicaid2%
Dr. McColgin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McColgin's Medicare patients by sex, 2024
- Women36564%
- Men20936%
Chronic conditions among Dr. McColgin's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis43%
- Ischemic heart disease23%
- Diabetes21%
- Chronic kidney disease20%
- Anxiety18%
- Osteoporosis18%
Share of Medicare patients with each condition. A patient can have several.
Dr. McColgin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ann Zerella McColgin wrote 1,651 Medicare Part D claims in 2024
In 2024, Dr. McColgin wrote 1,651 Medicare Part D claims for 434 patients. 59% of them were for generic drugs. CMS names the drug for 1,542 of them, across 19 drugs with 11 or more claims each, at $701,819 in total drug cost.
Part D claims, 20241,651
Drugs named by CMS19
Total drug cost$701,819
Part D patients434
Dr. McColgin's Part D claims by kind of drug, 2024
- Generic966 claims59%
- Brand-name685 claims41%
Dr. McColgin'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. McColgin's Part D claims, 2024
- Antibiotics2%30 of 1,651 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Ann Zerella McColgin scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. McColgin for performance year 2024, reported as part of a group. Dr. McColgin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 427 procedures of cataract surgery by Dr. McColgin, more than 94% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. McColgin's MIPS scores, performance year 2024
- 90of 100Final score
- 90.3of 100Quality
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. McColgin ranks in Medicare procedure volume
- Cataract surgery
- 94th percentile427 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. Ann Zerella McColgin has 2 publications on record
Dmand AI links 2 papers to Dr. McColgin, published from 2018 to 2019. The most frequent topics are Intraocular Pressure and Tonometry, Ocular. Dr. McColgin's most frequent co-author is Sean J. McCafferty, MD, PC.
Papers2
Years published2018 to 2019
Topics Dr. McColgin writes about most
- Intraocular Pressure
- Tonometry, Ocular
Dr. McColgin's most frequent co-authors
Recent publications by Dr. McColgin
Analysis of VarianceIntraocular PressureOcular Hypertension
See who Dr. McColgin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McColgin 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. Ann Zerella McColgin received $1,157 in industry payments from 2024 to 2025
CMS Open Payments shows 12 general payments to Dr. McColgin from 6 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 91% of the total. Glaukos Corporation paid the most, $471.
General payments to Dr. McColgin by program year, 2024 to 2025
General payments to Dr. McColgin by kind, 2024 to 2025
$1.2Kin total
- Food and beverage$1,05791%
- Education$1009%
Companies that paid Dr. McColgin the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ann Zerella McColgin graduated from Georgia College of Eclectric Medicine and Surgery
Dr. McColgin graduated from Georgia College of Eclectric Medicine and Surgery in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ann Zerella McColgin'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)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 |
| 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. Ann Zerella McColgin
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. Ann Zerella McColgin's NPI number?
Dr. Ann Zerella McColgin's NPI number is 1982799227. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann Zerella McColgin?
Dr. Ann Zerella McColgin is an ophthalmologist in Tucson, Arizona. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ann Zerella McColgin practice?
Dr. McColgin practices at 4620 East Camp Lowell Drive, Tucson, AZ 85712. Dr. McColgin's primary practice is Camp Lowell Surgery Center in Tucson, Arizona. Dmand AI also links Dr. McColgin to 1 group practice or clinic and 1 medical group.
What is Dr. Ann Zerella McColgin's office phone number?
The practice phone on file for Dr. McColgin is (520) 618-6058.
What is Dr. Ann Zerella McColgin's medical license number?
Dr. McColgin holds Arizona license 30882.
Does Dr. Ann Zerella McColgin accept Medicare?
Yes. CMS data shows Dr. McColgin billed Medicare for 2,259 services in 2024, and Dr. McColgin accepts Medicare assignment.
What is Dr. Ann Zerella McColgin's MIPS score?
Dr. McColgin's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ann Zerella McColgin see?
CMS counts 574 Medicare patients who saw Dr. McColgin in 2024, with an average age of 76.
What services does Dr. Ann Zerella McColgin bill to Medicare?
In 2024, Dr. McColgin's most billed Medicare services were eye exam or test (92136), eye exam or test (92012) and surgery: eye (66984).
Where did Dr. Ann Zerella McColgin go to medical school?
Dr. McColgin graduated from Georgia College of Eclectric Medicine and Surgery in 1994.
Show 5 more questionsShow fewer questions
What drugs does Dr. Ann Zerella McColgin prescribe most?
In 2024 Medicare Part D data, Dr. McColgin's most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Ketorolac Tromethamine.
Has Dr. Ann Zerella McColgin received payments from drug or device companies?
CMS Open Payments shows $1,157 in general payments to Dr. McColgin from 6 companies from 2024 to 2025. The largest total came from Glaukos Corporation.
How long has Dr. Ann Zerella McColgin been practicing?
Dr. McColgin graduated from medical school in 1994, 32 years ago.
Does Dr. Ann Zerella McColgin do research?
Dmand AI links 2 publications to Dr. McColgin, published from 2018 to 2019.
Who does Dr. Ann Zerella McColgin publish with?
Dr. McColgin's most frequent co-authors are Sean J. McCafferty, MD, PC (2 shared papers).
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