Dr. John C. Terrell, MD
- Medicare services, 2018
- 12
- Part D claims, 2024
- 2,097
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 25825 South Vermont Avenue, Harbor City, CA 90710
- Practice phone
- Call (310) 325-5111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John C. Terrell is an ophthalmologist in Harbor City, California
Dr. Terrell practices at Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
Dr. Terrell's NPI, 1861569733, was assigned on November 29, 2006. Dr. Terrell graduated from David Geffen School of Medicine at UCLA in 1990. Dr. Terrell's California license number on file is G73284.
- NPI
- 1861569733NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355399494
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 325-5111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John C. Terrell practices at Kaiser Permanente South Bay Medical Center in Harbor City, California
Dr. Terrell's primary practice is Kaiser Permanente South Bay Medical Center, at 25825 South Vermont Avenue, Harbor City, CA 90710 in Los Angeles County. The practice phone is (310) 325-5111.
- Kaiser Permanente South Bay Medical Center25825 South Vermont Avenue, Harbor City, CA 90710 · Los Angeles CountyPhone(310) 325-5111
Source: Dmand AI Affiliation Data
Dr. John C. Terrell is affiliated with 1 site of care and 1 medical group
Dr. Terrell's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John C. Terrell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Terrell practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South Bay Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John C. Terrell is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Terrell's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Terrell is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Terrell has a license on file in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists inflammation of iris among the conditions Dr. Terrell treats.
Ophthalmologists near Dr. Terrell
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. John C. Terrell billed Medicare for 12 services in 2018
CMS data shows 12 Medicare services from Dr. Terrell across 1 procedure code in 2018. Medicare paid $587 for them. Every service was in an office.
Dr. Terrell compared with the California median for ophthalmologists, 2018
- Dr. Terrell
- California median
- Medicare services
- 12vs 1,07999% below
- Part D claims
- 2,060vs 6183.3 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Terrell's most billed Medicare procedure codes, 2018
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. Terrell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Terrell and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John C. Terrell's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Terrell's median patient age at 61, with 53% women.
Dr. Terrell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. John C. Terrell wrote 2,097 Medicare Part D claims in 2024
In 2024, Dr. Terrell wrote 2,097 Medicare Part D claims for 467 patients. 95% of them were for generic drugs. CMS names the drug for 2,060 of them, across 11 drugs with 11 or more claims each, at $39,727 in total drug cost. In 2023, CMS named 2,661 claims across 11 drugs.
Dr. Terrell's Part D claims by kind of drug, 2024
- Generic1,991 claims95%
- Brand-name106 claims5%
Dr. Terrell'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: 2,6612024: 2,06023%
Drugs named by CMS: 11 in 2024, 11 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
How Dr. John C. Terrell takes part in Medicare
Dr. Terrell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John C. Terrell has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Terrell, most recently AAO Fellow in 2011.
Awards and honors for Dr. Terrell
- 2011
- AAO Fellow
- Undated
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. John C. Terrell graduated from David Geffen School of Medicine at UCLA
Dr. Terrell graduated from David Geffen School of Medicine at UCLA in 1990. Dr. Terrell is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. John C. Terrell accepts plans from 1 insurance carrier
Dr. Terrell is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. John C. Terrell'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 Data |
| 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) |
| 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. John C. Terrell
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. John C. Terrell's NPI number?
Dr. John C. Terrell's NPI number is 1861569733. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John C. Terrell?
Dr. John C. Terrell is an ophthalmologist in Harbor City, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John C. Terrell practice?
Dr. Terrell practices at 25825 South Vermont Avenue, Harbor City, CA 90710. Dr. Terrell's primary practice is Kaiser Permanente South Bay Medical Center in Harbor City, California, part of Kaiser Permanente.
What is Dr. John C. Terrell's office phone number?
The practice phone on file for Dr. Terrell is (310) 325-5111.
What is Dr. John C. Terrell's medical license number?
Dr. Terrell's California license number on file is G73284.
Which hospitals is Dr. John C. Terrell affiliated with?
Dr. Terrell practices at Kaiser Permanente South Bay Medical Center in Harbor City, California.
What medical group is Dr. John C. Terrell part of?
Dr. Terrell is linked to Southern California Permanente Medical Group.
Does Dr. John C. Terrell accept Medicare?
Yes. CMS data shows Dr. Terrell billed Medicare for 12 services in 2018, and Dr. Terrell accepts Medicare assignment.
Is Dr. John C. Terrell board certified?
Yes. Dr. Terrell is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. John C. Terrell bill to Medicare?
In 2018, Dr. Terrell's most billed Medicare services were eye exam or test (92002).
Show 4 more questionsShow fewer questions
Where did Dr. John C. Terrell go to medical school?
Dr. Terrell graduated from David Geffen School of Medicine at UCLA in 1990.
What drugs does Dr. John C. Terrell prescribe most?
In 2024 Medicare Part D data, Dr. Terrell's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
How long has Dr. John C. Terrell been practicing?
Dr. Terrell graduated from medical school in 1990, 36 years ago.
What insurance does Dr. John C. Terrell accept?
Dr. Terrell is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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