Dr. Christopher Keith Johnson, MD

  • Stamford, CT
  • Orthopedic surgeon
NPI1760988349PAC ID2769729367
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Orthopaedic & Neurosurgery Specialists

Stamford, Connecticut

See all 9 affiliations

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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 and contact details
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
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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 Specialists
    5 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.

See all 9 affiliations for Dr. Johnson

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.

EHR by site
SiteEHR vendor and product
Orthopaedic & Neurosurgery SpecialistsAvailable with a free account
+6 more sites and 1 medical groupAvailable 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 YorkPrimaryLicense 331313 · taxonomy 207X00000X

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.

Medicare services, 20241,832
Medicare patients157
Paid by Medicare$21,880
Procedure codes9

Dr. Johnson's Medicare services by type, 2024

  1. Drugs given in the office1,540
  2. Office and hospital visits160
  3. Imaging88
  4. 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.

See all procedures by Dr. Johnson

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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.

Medicare patients, 2024157
Average age74
Average risk score1.28
Also on Medicaid15%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Ischemic heart disease38%
  5. Diabetes33%
  6. Anxiety28%
  7. COPD28%
  8. 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.

Part D claims, 202432
Drugs named by CMS1
Total drug cost$21
Part D patients25

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.

See all prescribing by Dr. Johnson

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.

Papers2
Years published2018 to 2023

Dr. Johnson's most frequent co-authors

Recent publications by Dr. Johnson

See all 2 publications and co-authors

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.

How network discovery works

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

$3.5Kin total
  • 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.

See all payments to Dr. Johnson

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.

  1. Medical schoolAlbany Medical College of Union University

Source: Dmand AI Professional Profile Data

Sources for Dr. Christopher Keith Johnson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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