Dr. Jaffer Muhannad Kattan, MD
- Medicare services, 2024
- 1,941
- Medicare patients, 2024
- 600
- Part D claims, 2024
- 3,791
- Publications
- 1
- MIPS score, 2024
- 75
- Practice address
- 1031 W Chapman Ave, Orange, CA 92868
- Practice phone
- Call (714) 997-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
George H Garcia MD Inc
Orange, California
Find Dr. Kattan's professional email, personal email and mobile number
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Dr. Jaffer Muhannad Kattan is an ophthalmologist in Orange, California
Dr. Kattan practices at George H Garcia MD Inc in Orange, California.
Dr. Kattan's NPI, 1114459948, was assigned on March 30, 2017. Dr. Kattan graduated from David Geffen School of Medicine at UCLA in 2017. Dr. Kattan holds California license A158448.
- NPI
- 1114459948NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426458720
- NPI enumeration date
- March 30, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 997-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jaffer Muhannad Kattan practices at George H Garcia MD Inc in Orange, California
Dr. Kattan's primary practice is George H Garcia MD Inc, at 1031 W Chapman Ave, Orange, CA 92868 in Orange County. The practice phone is (714) 997-7000.
- George H Garcia MD Inc1031 W Chapman Ave, Orange, CA 92868 · Orange CountyPhone(714) 997-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jaffer Muhannad Kattan is affiliated with 2 sites of care and 1 medical group
Dr. Kattan's primary practice is George H Garcia MD Inc in Orange, California. Dmand AI also links Dr. Kattan to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jaffer Muhannad Kattan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kattan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| George H Garcia MD Inc | 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. Jaffer Muhannad Kattan is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Kattan's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Kattan is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Kattan is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma and secondary membranaous cataract surgery among the conditions Dr. Kattan treats.
Ophthalmologists near Dr. Kattan
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. Jaffer Muhannad Kattan billed Medicare for 1,941 services in 2024
CMS data shows 1,941 Medicare services from Dr. Kattan across 17 procedure codes in 2024, for 600 Medicare patients. Medicare paid $164,742 for them.
Dr. Kattan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,1382024: 1,36720%
- Office and hospital visits
- 2023: 4262024: 47311%
- Surgery
- 2023: 502024: 8264%
- Imaging
- 2023: 192024: 19No change
Where Dr. Kattan's Medicare services took place, 2024
- In an office1,87597%
- In a facility663%
Dr. Kattan compared with the California median for ophthalmologists, 2024
- Dr. Kattan
- California median
- Medicare services
- 1,941vs 1,07980% above
- Medicare patients
- 600vs 42143% above
- Part D claims
- 3,686vs 6186.0 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Kattan'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. Kattan and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jaffer Muhannad Kattan treated 600 Medicare patients in 2024, average age 75
CMS counts 600 Medicare patients who saw Dr. Kattan in 2024. The largest group is 65 to 74, with 258 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kattan's median patient age at 70, with 58% women.
Dr. Kattan's Medicare patients by age, 2024
Dr. Kattan's Medicare patients by sex, 2024
- Women36361%
- Men23740%
Chronic conditions among Dr. Kattan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis41%
- Diabetes37%
- Ischemic heart disease26%
- Chronic kidney disease24%
- Mood disorders18%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kattan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
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. Jaffer Muhannad Kattan wrote 3,791 Medicare Part D claims in 2024
In 2024, Dr. Kattan wrote 3,791 Medicare Part D claims for 1,000 patients. 49% of them were for generic drugs. CMS names the drug for 3,686 of them, across 32 drugs with 11 or more claims each, at $553,739 in total drug cost. In 2023, CMS named 2,816 claims across 30 drugs.
Dr. Kattan's Part D claims by kind of drug, 2024
- Generic1,873 claims49%
- Brand-name1,918 claims51%
Dr. Kattan'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. Kattan's Part D claims, 2024
- Antibiotics1%36 of 3,791 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: 2,8162024: 3,68631%
Drugs named by CMS: 32 in 2024, 30 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. Jaffer Muhannad Kattan 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. Kattan for performance year 2024, reported individually. Dr. Kattan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 58 procedures of cataract surgery by Dr. Kattan, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Kattan ranks in Medicare procedure volume
- Cataract surgery
- 66th percentile58 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. Jaffer Muhannad Kattan has 1 publication on record
Dmand AI links 1 paper to Dr. Kattan in 2017. Dr. Kattan's most frequent co-author is Anthony J. Aldave, MD.
Dr. Kattan's most frequent co-authors
Recent publications by Dr. Kattan
See who Dr. Kattan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kattan 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. Jaffer Muhannad Kattan received $7,341 in industry payments from 2018 to 2025
CMS Open Payments shows 300 general payments to Dr. Kattan from 17 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $1,750.
General payments to Dr. Kattan by program year, 2018 to 2025
Companies that paid Dr. Kattan the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jaffer Muhannad Kattan graduated from David Geffen School of Medicine at UCLA
Dr. Kattan graduated from David Geffen School of Medicine at UCLA in 2017.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Jaffer Muhannad Kattan accepts plans from 17 insurance carriers
Dr. Kattan is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +9 more carriersWith a free account
Plan types Dr. Kattan accepts, by number of carriers
- Medicare9
- PPO9
- HMO8
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Jaffer Muhannad Kattan'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. Jaffer Muhannad Kattan
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. Jaffer Muhannad Kattan's NPI number?
Dr. Jaffer Muhannad Kattan's NPI number is 1114459948. It was assigned on March 30, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Jaffer Muhannad Kattan?
Dr. Jaffer Muhannad Kattan is an ophthalmologist in Orange, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Jaffer Muhannad Kattan practice?
Dr. Kattan practices at 1031 W Chapman Ave, Orange, CA 92868. Dr. Kattan's primary practice is George H Garcia MD Inc in Orange, California. Dmand AI also links Dr. Kattan to 1 group practice or clinic and 1 medical group.
What is Dr. Jaffer Muhannad Kattan's office phone number?
The practice phone on file for Dr. Kattan is (714) 997-7000.
What is Dr. Jaffer Muhannad Kattan's medical license number?
Dr. Kattan holds California license A158448.
Does Dr. Jaffer Muhannad Kattan accept Medicare?
Yes. CMS data shows Dr. Kattan billed Medicare for 1,941 services in 2024, and Dr. Kattan accepts Medicare assignment.
What is Dr. Jaffer Muhannad Kattan's MIPS score?
Dr. Kattan's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Jaffer Muhannad Kattan see?
CMS counts 600 Medicare patients who saw Dr. Kattan in 2024, with an average age of 75.
Is Dr. Jaffer Muhannad Kattan board certified?
Yes. Dr. Kattan is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Jaffer Muhannad Kattan bill to Medicare?
In 2024, Dr. Kattan's most billed Medicare services were office visit, established patient (99214), eye exam or test (92014) and eye exam or test (92250).
Show 7 more questionsShow fewer questions
Where did Dr. Jaffer Muhannad Kattan go to medical school?
Dr. Kattan graduated from David Geffen School of Medicine at UCLA in 2017.
What drugs does Dr. Jaffer Muhannad Kattan prescribe most?
In 2024 Medicare Part D data, Dr. Kattan's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Ketorolac Tromethamine.
Has Dr. Jaffer Muhannad Kattan received payments from drug or device companies?
CMS Open Payments shows $7,341 in general payments to Dr. Kattan from 17 companies from 2018 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Jaffer Muhannad Kattan been practicing?
Dr. Kattan graduated from medical school in 2017, 9 years ago.
Does Dr. Jaffer Muhannad Kattan do research?
Dmand AI links 1 publication to Dr. Kattan.
Who does Dr. Jaffer Muhannad Kattan publish with?
Dr. Kattan's most frequent co-authors are Anthony J. Aldave, MD (1 shared paper).
What insurance does Dr. Jaffer Muhannad Kattan accept?
Dr. Kattan is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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