Dr. Christopher Keith Johnson, MD
- Medicare services, 2024
- 1,832
- Medicare patients, 2024
- 157
- Part D claims, 2024
- 32
- Publications
- 2
- MIPS score, 2024
- 84
- Practice address
- 5 High Ridge Park, Stamford, CT 06905
- Practice phone
- Call (203) 869-1145
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orthopaedic & Neurosurgery Specialists
Stamford, Connecticut
Find Dr. Johnson'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 Keith Johnson is an orthopedic surgeon in Stamford, Connecticut
Dr. Johnson practices at Orthopaedic & Neurosurgery Specialists in Stamford, Connecticut.
Dr. Johnson's NPI, 1760988349, was assigned on April 3, 2018. Dr. Johnson graduated from Albany Medical College of Union University in 2018. Dr. Johnson holds New York license 331313.
- NPI
- 1760988349NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769729367
- NPI enumeration date
- April 3, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 869-1145
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Keith Johnson practices at Orthopaedic & Neurosurgery Specialists in Stamford, Connecticut
Dr. Johnson's primary practice is Orthopaedic & Neurosurgery Specialists, at 5 High Ridge Park, Stamford, CT 06905 in Western Ct County. The practice phone is (203) 869-1145.
- Orthopaedic & Neurosurgery Specialists5 High Ridge Park, Stamford, CT 06905 · Western Ct CountyPhone(203) 869-1145
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Keith Johnson is affiliated with 7 sites of care and 2 medical groups
Dr. Johnson's primary practice is Orthopaedic & Neurosurgery Specialists in Stamford, Connecticut. Dr. Johnson is also affiliated with Vassar Brothers Medical Center. The medical group on file is Orthopaedic and Neurosurgery Specialists. Dmand AI also links Dr. Johnson to 3 more hospitals, 1 group practice or clinic, 1 ambulatory surgery center 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. Christopher Keith Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orthopaedic & Neurosurgery Specialists | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Keith Johnson is one of 300 orthopedic surgeons in Connecticut
Orthopaedic surgery is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Johnson is licensed in New York.
Specialties and state licenses
- Orthopaedic surgery, New YorkPrimary
Orthopedic surgeons near Dr. Johnson
Counts of orthopedic surgeons 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. Christopher Keith Johnson billed Medicare for 1,832 services in 2024
CMS data shows 1,832 Medicare services from Dr. Johnson across 9 procedure codes in 2024, for 157 Medicare patients. Medicare paid $21,880 for them. Every service was in an office.
Dr. Johnson's Medicare services by type, 2024
- Drugs given in the office1,540
- Office and hospital visits160
- Imaging88
- Surgery44
Dr. Johnson compared with the Connecticut median for orthopedic surgeons, 2024
- Dr. Johnson
- Connecticut median
- Medicare services
- 1,832vs 8642.1 times
- Medicare patients
- 157vs 20724% below
- Part D claims
- 21vs 12283% below
Medians across 297 orthopedic surgeons in Connecticut with Dmand AI profiles that report each measure.
Dr. Johnson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Keith Johnson treated 157 Medicare patients in 2024, average age 74
CMS counts 157 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 56, with 45% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women9561%
- Men6239%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease38%
- Diabetes33%
- Anxiety28%
- COPD28%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Keith Johnson wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 32 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $21 in total drug cost. In 2022, CMS named 39 claims across 2 drugs.
Dr. Johnson'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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 392024: 2146%
Drugs named by CMS: 1 in 2024, 2 in 2022.
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 Keith Johnson scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 84of 100Final score
- 82.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 65of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
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 Keith Johnson has 2 publications on record
Dmand AI links 2 papers to Dr. Johnson, published from 2018 to 2023. Dr. Johnson's most frequent co-authors are Mostafa Abousayed, MD, Andrew J. Rosenbaum, MD and Navdeep Rai, MD.
Dr. Johnson's most frequent co-authors
- Mostafa Abousayed, MD2 shared papers
- Andrew J. Rosenbaum, MD2 shared papers
- Navdeep Rai, MD1 shared paper
Recent publications by Dr. Johnson
Foot Ankle Int
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson 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 Keith Johnson received $3,501 in industry payments from 2024 to 2025
CMS Open Payments shows 22 general payments to Dr. Johnson from 6 drug and device companies from 2024 to 2025. Grants make up the largest share, 54% of the total. Smith & Nephew, Inc. paid the most, $1,893.
General payments to Dr. Johnson by program year, 2024 to 2025
General payments to Dr. Johnson by kind, 2024 to 2025
- Grants$1,87554%
- Food and beverage$93027%
- Travel and lodging$69620%
Companies that paid Dr. Johnson 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. Christopher Keith Johnson graduated from Albany Medical College of Union University
Dr. Johnson graduated from Albany Medical College of Union University in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher Keith Johnson'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 |
| 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 Keith Johnson
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 Keith Johnson's NPI number?
Dr. Christopher Keith Johnson's NPI number is 1760988349. It was assigned on April 3, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Keith Johnson?
Dr. Christopher Keith Johnson is an orthopedic surgeon in Stamford, Connecticut. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Christopher Keith Johnson practice?
Dr. Johnson practices at 5 High Ridge Park, Stamford, CT 06905. Dr. Johnson's primary practice is Orthopaedic & Neurosurgery Specialists in Stamford, Connecticut. Dmand AI also links Dr. Johnson to 3 hospitals, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is Dr. Christopher Keith Johnson's office phone number?
The practice phone on file for Dr. Johnson is (203) 869-1145.
What is Dr. Christopher Keith Johnson's medical license number?
Dr. Johnson holds New York license 331313.
Which hospitals is Dr. Christopher Keith Johnson affiliated with?
Dr. Johnson is affiliated with Vassar Brothers Medical Center. Dmand AI links Dr. Johnson to 3 more hospitals.
What medical group is Dr. Christopher Keith Johnson part of?
Dr. Johnson is linked to Orthopaedic and Neurosurgery Specialists. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Christopher Keith Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 1,832 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Christopher Keith Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Christopher Keith Johnson see?
CMS counts 157 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Christopher Keith Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Christopher Keith Johnson go to medical school?
Dr. Johnson graduated from Albany Medical College of Union University in 2018.
What drugs does Dr. Christopher Keith Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Meloxicam.
Has Dr. Christopher Keith Johnson received payments from drug or device companies?
CMS Open Payments shows $3,501 in general payments to Dr. Johnson from 6 companies from 2024 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Christopher Keith Johnson been practicing?
Dr. Johnson graduated from medical school in 2018, 8 years ago.
Does Dr. Christopher Keith Johnson do research?
Dmand AI links 2 publications to Dr. Johnson, published from 2018 to 2023.
Who does Dr. Christopher Keith Johnson publish with?
Dr. Johnson's most frequent co-authors are Mostafa Abousayed, MD (2 shared papers), Andrew J. Rosenbaum, MD (2 shared papers) and Navdeep Rai, MD (1 shared paper).
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