Biomechanical PhenomenaBone ScrewsCadaver
Dr. Christopher C. Ninh, MD
NPI1700096393PAC ID9436230133
- Medicare services, 2024
- 6,912
- Medicare patients, 2024
- 560
- Part D claims, 2024
- 751
- Publications
- 2
- MIPS score, 2024
- 75
- Practice address
- 11190 Warner Ave, Fountain Valley, CA 92708
- Practice phone
- Call (714) 427-0880
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fountain Valley Regional Hospital - Outpatient Surgery Center
Fountain Valley, California
Find Dr. Ninh's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Christopher C. Ninh is an orthopedic surgeon in Fountain Valley, California
Dr. Ninh practices at Fountain Valley Regional Hospital - Outpatient Surgery Center in Fountain Valley, California.
Dr. Ninh's NPI, 1700096393, was assigned on May 23, 2007. Dr. Ninh graduated from UC Irvine School of Medicine in 2002. Dr. Ninh holds California license A98528.
NPI and contact details
- NPI
- 1700096393NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436230133
- NPI enumeration date
- May 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 427-0880
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher C. Ninh practices at Fountain Valley Regional Hospital - Outpatient Surgery Center in Fountain Valley, California
Dr. Ninh's primary practice is Fountain Valley Regional Hospital - Outpatient Surgery Center, at 11190 Warner Ave, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 427-0880.
- Fountain Valley Regional Hospital - Outpatient Surgery Center11190 Warner Ave, Fountain Valley, CA 92708 · Orange CountyPhone(714) 427-0880
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher C. Ninh is affiliated with 10 sites of care and 1 medical group
Dr. Ninh's primary practice is Fountain Valley Regional Hospital - Outpatient Surgery Center in Fountain Valley, California. Dr. Ninh is also affiliated with Orange Coast Medical Center. The medical group on file is Christopher C. Ninh MD, Inc. Dmand AI also links Dr. Ninh to 4 more hospitals, 3 home health agencies and 1 group practice or clinic, each named with a free account.
Fountain Valley Regional Hospital - Outpatient Surgery CenterPrimary
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. Christopher C. Ninh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ninh practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fountain Valley Regional Hospital - Outpatient Surgery Center | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher C. Ninh is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Ninh's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Ninh is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Ninh's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, bursitis, carpal tunnel syndrome, enthesopathy in arms, hand joint or tendon inflammation, hip replacement and joint pain among the conditions Dr. Ninh treats.
Orthopedic surgeons near Dr. Ninh
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,056orthopedic surgeons in California
5orthopedic surgeons in Fountain Valley
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher C. Ninh billed Medicare for 6,912 services in 2024
CMS data shows 6,912 Medicare services from Dr. Ninh across 24 procedure codes in 2024, for 560 Medicare patients. Medicare paid $374,618 for them.
Medicare services, 20246,912
Medicare patients560
Paid by Medicare$374,618
Procedure codes24
Dr. Ninh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4,7312024: 3,49926%
- Tests and treatments
- 2023: 1,9532024: 1,75010%
- Office and hospital visits
- 2023: 8872024: 8524%
- Surgery
- 2023: 5662024: 51010%
- Imaging
- 2023: 2812024: 3017%
- Other services
- 2023: 212024: 0100%
Where Dr. Ninh's Medicare services took place, 2024
- In an office6,73897%
- In a facility1743%
Dr. Ninh compared with the California median for orthopedic surgeons, 2024
- Dr. Ninh
- California median
- Medicare services
- 6,912vs 68310.1 times
- Medicare patients
- 560vs 2152.6 times
- Part D claims
- 709vs 7010.1 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Ninh'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. Ninh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ninh and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher C. Ninh treated 560 Medicare patients in 2024, average age 74
CMS counts 560 Medicare patients who saw Dr. Ninh in 2024. The largest group is 65 to 74, with 297 patients. 75% of them have arthritis, and 75% have high blood pressure. 87% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ninh's median patient age at 66, with 65% women.
Medicare patients, 2024560
Average age74
Average risk score1.38
Also on Medicaid87%
Dr. Ninh's Medicare patients by age, 2024
Dr. Ninh's Medicare patients by sex, 2024
- Women40472%
- Men15628%
Chronic conditions among Dr. Ninh's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes49%
- Osteoporosis36%
- Chronic kidney disease29%
- Ischemic heart disease29%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ninh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher C. Ninh wrote 751 Medicare Part D claims in 2024
In 2024, Dr. Ninh wrote 751 Medicare Part D claims for 324 patients. 100% of them were for generic drugs. CMS names the drug for 709 of them, across 9 drugs with 11 or more claims each, at $24,386 in total drug cost. In 2023, CMS named 1,140 claims across 12 drugs.
Part D claims, 2024751
Drugs named by CMS9
Total drug cost$24,386
Part D patients324
Dr. Ninh's Part D claims by kind of drug, 2024
- Generic749 claims100%
- Brand-name and other2 claims0%
Dr. Ninh'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. Ninh's Part D claims, 2024
- Opioids30%228 of 751 claims
- Antibiotics7%51 of 751 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: 1,1402024: 70938%
Drugs named by CMS: 9 in 2024, 12 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. Christopher C. Ninh 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. Ninh for performance year 2024, reported individually. Dr. Ninh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 98 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Ninh, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Ninh ranks in Medicare procedure volume
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 99th percentile98 procedures
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 94th percentile81 procedures
- Knee replacement
- 75th percentile44 procedures
- Varicose vein removal
- 52nd percentile16 procedures
- Hip replacement
- 55th percentile13 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. Christopher C. Ninh has 2 publications on record
Dmand AI links 2 papers to Dr. Ninh, published from 2008 to 2010. Dr. Ninh's most frequent co-authors are Stephen William Bartol, MD and Shaunak Subhash Desai, MD.
Papers2
Years published2008 to 2010
Dr. Ninh's most frequent co-authors
Recent publications by Dr. Ninh
Arthroplasty, Replacement, HipFemoral Neck FracturesHip Dislocation
See who Dr. Ninh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ninh works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher C. Ninh received $65,706 in industry payments from 2016 to 2025
CMS Open Payments shows 345 general payments to Dr. Ninh from 37 drug and device companies from 2016 to 2025. Device or supply loans make up the largest share, 49% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $33,553.
General payments to Dr. Ninh by program year, 2016 to 2025
General payments to Dr. Ninh by kind, 2016 to 2025
$65.7Kin total
- Device or supply loans$32,40049%
- Food and beverage$10,94317%
- Travel and lodging$10,84617%
- Speaker and faculty fees$9,90015%
- Education$1,6172%
Companies that paid Dr. Ninh 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. Christopher C. Ninh graduated from UC Irvine School of Medicine
Dr. Ninh graduated from UC Irvine School of Medicine in 2002.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Christopher C. Ninh accepts plans from 12 insurance carriers
Dr. Ninh is in network with 12 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +4 more carriersWith a free account
Plan types Dr. Ninh accepts, by number of carriers
- Medicare10
- PPO8
- HMO6
- POS5
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher C. Ninh'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)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. Christopher C. Ninh
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. Christopher C. Ninh's NPI number?
Dr. Christopher C. Ninh's NPI number is 1700096393. It was assigned on May 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher C. Ninh?
Dr. Christopher C. Ninh is an orthopedic surgeon in Fountain Valley, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Christopher C. Ninh practice?
Dr. Ninh practices at 11190 Warner Ave, Fountain Valley, CA 92708. Dr. Ninh's primary practice is Fountain Valley Regional Hospital - Outpatient Surgery Center in Fountain Valley, California. Dmand AI also links Dr. Ninh to 4 hospitals, 3 home health agencies and 1 group practice or clinic.
What is Dr. Christopher C. Ninh's office phone number?
The practice phone on file for Dr. Ninh is (714) 427-0880.
What is Dr. Christopher C. Ninh's medical license number?
Dr. Ninh holds California license A98528, one of the licenses on file in 2 states.
Which states has Dr. Christopher C. Ninh been licensed in?
Dmand AI has state licenses on file for Dr. Ninh in California (2007 to 2027) and Michigan (2002 to 2007).
Which hospitals is Dr. Christopher C. Ninh affiliated with?
Dr. Ninh is affiliated with Orange Coast Medical Center. Dmand AI links Dr. Ninh to 4 more hospitals.
What medical group is Dr. Christopher C. Ninh part of?
Dr. Ninh is linked to Christopher C. Ninh MD, Inc.
Does Dr. Christopher C. Ninh accept Medicare?
Yes. CMS data shows Dr. Ninh billed Medicare for 6,912 services in 2024, and Dr. Ninh accepts Medicare assignment.
What is Dr. Christopher C. Ninh's MIPS score?
Dr. Ninh's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher C. Ninh see?
CMS counts 560 Medicare patients who saw Dr. Ninh in 2024, with an average age of 74.
Is Dr. Christopher C. Ninh board certified?
Yes. Dr. Ninh is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Christopher C. Ninh bill to Medicare?
In 2024, Dr. Ninh's most billed Medicare services were injected or infused drug (J7332), office visit, established patient (99214) and physical therapy and rehabilitation (97140).
Where did Dr. Christopher C. Ninh go to medical school?
Dr. Ninh graduated from UC Irvine School of Medicine in 2002.
What drugs does Dr. Christopher C. Ninh prescribe most?
In 2024 Medicare Part D data, Dr. Ninh's most prescribed drugs by claims were Diclofenac Sodium, Ibuprofen and Celecoxib.
Has Dr. Christopher C. Ninh received payments from drug or device companies?
CMS Open Payments shows $65,706 in general payments to Dr. Ninh from 37 companies from 2016 to 2025. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. Christopher C. Ninh been practicing?
Dr. Ninh graduated from medical school in 2002, 24 years ago.
Does Dr. Christopher C. Ninh do research?
Dmand AI links 2 publications to Dr. Ninh, published from 2008 to 2010.
Who does Dr. Christopher C. Ninh publish with?
Dr. Ninh's most frequent co-authors are Stephen William Bartol, MD (1 shared paper) and Shaunak Subhash Desai, MD (1 shared paper).
What insurance does Dr. Christopher C. Ninh accept?
Dr. Ninh is in network with 12 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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