Dr. Christopher Warren Johnson, MD

  • San Luis Obispo, CA
  • Urologist
NPI1770562712PAC ID6901876630
Medicare services, 2024
55,273
Medicare patients, 2024
2,281
Part D claims, 2024
4,450
Publications
2
MIPS score, 2024
99
Practice address
225 Prado Rd, San Luis Obispo, CA 93401
Practice phone
Call (805) 786-2500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Urology Associates of the Central Coast

San Luis Obispo, California

See all 9 affiliations

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Dr. Christopher Warren Johnson is a urologist in San Luis Obispo, California

Dr. Johnson practices at Urology Associates of the Central Coast in San Luis Obispo, California.

Dr. Johnson's NPI, 1770562712, was assigned on January 10, 2006. Dr. Johnson graduated from Weill Cornell Medicine in 1999. Dr. Johnson holds California license A77635.

NPI and contact details
Medicare PAC ID
6901876630
NPI enumeration date
January 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 786-2500
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Christopher Warren Johnson practices at Urology Associates of the Central Coast in San Luis Obispo, California

Dr. Johnson's primary practice is Urology Associates of the Central Coast, at 225 Prado Rd, San Luis Obispo, CA 93401 in San Luis Obispo County. The practice phone is (805) 786-2500.

  • Urology Associates of the Central Coast
    225 Prado Rd, San Luis Obispo, CA 93401 · San Luis Obispo CountyPhone(805) 786-2500

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Christopher Warren Johnson is affiliated with 8 sites of care and 1 medical group

Dr. Johnson's primary practice is Urology Associates of the Central Coast in San Luis Obispo, California. Dr. Johnson is also affiliated with Dignity Health - French Hospital Medical Center. The medical group on file is Urology Associates of the Central Coast. Dmand AI also links Dr. Johnson to 3 more hospitals, 2 home health agencies and 1 group practice or clinic, 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 Warren Johnson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Urology Associates of the Central CoastAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Johnson practices

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Dr. Christopher Warren Johnson is one of 1,395 urologists in California

Urology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Johnson is board certified in urology by the American Board of Urology. Dmand AI has Dr. Johnson's licenses on file in 4 states: California, Florida, Alabama and New York.

Specialties and state licenses

  • Urology, CaliforniaPrimaryLicense A77635 · 2002 to 2026 · taxonomy 208800000X
  • Florida license2004 to 2022
  • Alabama license2015 to 2021
  • New York licenseLicense 220068 · 2001 to 2010

Clinical focus

Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney disease, kidney removal surgery and kidney stone disease among the conditions Dr. Johnson treats.

Urologists near Dr. Johnson

Counts of urologists 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 Warren Johnson billed Medicare for 55,273 services in 2024

CMS data shows 55,273 Medicare services from Dr. Johnson across 48 procedure codes in 2024, for 2,281 Medicare patients. Medicare paid $880,584 for them.

Medicare services, 202455,273
Medicare patients2,281
Paid by Medicare$880,584
Procedure codes48

Dr. Johnson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 45,3872024: 44,7261%
Office and hospital visits
2023: 3,6932024: 4,19614%
Other services
2023: 572024: 2,0933572%
Lab and pathology
2023: 1,8352024: 1,9868%
Surgery
2023: 1,7262024: 1,8316%
Tests and treatments
2023: 3772024: 29921%
Imaging
2023: 1372024: 1424%

Where Dr. Johnson's Medicare services took place, 2024

  • In an office55,031100%
  • In a facility2420%

Dr. Johnson compared with the California median for urologists, 2024

  • Dr. Johnson
  • California median
Medicare services
55,273vs 1,05052.6 times
Medicare patients
2,281vs 3466.6 times
Part D claims
4,296vs 6426.7 times

Medians across 1,310 urologists in California 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

Need commercial claims for Dr. Johnson?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other urologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Christopher Warren Johnson treated 2,281 Medicare patients in 2024, average age 75

CMS counts 2,281 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 962 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 72, with 24% women.

Medicare patients, 20242,281
Average age75
Average risk score1.12
Also on Medicaid12%

Dr. Johnson's Medicare patients by age, 2024

Dr. Johnson's Medicare patients by sex, 2024

  • Women59626%
  • Men1,68574%

Chronic conditions among Dr. Johnson's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis43%
  4. Cancer27%
  5. Ischemic heart disease26%
  6. Chronic kidney disease24%
  7. Diabetes23%
  8. Atrial fibrillation20%

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 72

Patient panel by sex, all payers

  • Women24%
  • Men75%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Christopher Warren Johnson wrote 4,450 Medicare Part D claims in 2024

In 2024, Dr. Johnson wrote 4,450 Medicare Part D claims for 1,116 patients. 85% of them were for generic drugs. CMS names the drug for 4,296 of them, across 40 drugs with 11 or more claims each, at $2,032,841 in total drug cost. In 2023, CMS named 3,749 claims across 40 drugs.

Part D claims, 20244,450
Drugs named by CMS40
Total drug cost$2M
Part D patients1,116

Dr. Johnson's Part D claims by kind of drug, 2024

  • Generic3,789 claims85%
  • Brand-name and other661 claims15%

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.

Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024

  • Opioids3%135 of 4,450 claims
  • Antibiotics7%313 of 4,450 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: 3,7492024: 4,29615%

Drugs named by CMS: 40 in 2024, 40 in 2023.

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 Warren Johnson scored 99 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 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. CMS lists Dr. Johnson as offering telehealth. CMS counts 28 procedures of prostate resection by Dr. Johnson, more than 90% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Johnson's MIPS scores, performance year 2024

  • 99of 100Final score
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Johnson ranks in Medicare procedure volume

Prostate resection
90th percentile28 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair (minimally invasive): 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 Warren Johnson has 2 publications on record

Dmand AI links 2 papers to Dr. Johnson. Dr. Johnson's most frequent co-authors are Mitchell Clark Benson, MD, Samuel Hamilton Eaton, MD and Erik T. Goluboff, MD.

Papers2

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 urologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Christopher Warren Johnson received $25,057 in industry payments from 2016 to 2025

CMS Open Payments shows 762 general payments to Dr. Johnson from 61 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. Janssen Pharmaceuticals, Inc paid the most, $4,153.

General payments to Dr. Johnson by program year, 2016 to 2025

General payments to Dr. Johnson by kind, 2016 to 2025

$25.1Kin total
  • Food and beverage$18,54974%
  • Consulting fees$5,13620%
  • Travel and lodging$1,0614%
  • Education$3101%

Companies that paid Dr. Johnson the most, 2016 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 Warren Johnson graduated from Weill Cornell Medicine

Dr. Johnson graduated from Weill Cornell Medicine in 1999.

  1. Medical schoolWeill Cornell Medicine
  2. Board certified in urologyAmerican Board of Urology

Source: Dmand AI Professional Profile Data

Dr. Christopher Warren Johnson accepts plans from 16 insurance carriers

Dr. Johnson is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Regence Health Plans
  • Alliant Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Johnson accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare6
  4. EPO4
  5. POS3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Christopher Warren 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
Insurance carriers and plan typesDmand AI Insurance Network 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 Warren 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 Warren Johnson's NPI number?

Dr. Christopher Warren Johnson's NPI number is 1770562712. It was assigned on January 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Christopher Warren Johnson?

Dr. Christopher Warren Johnson is a urologist in San Luis Obispo, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Christopher Warren Johnson practice?

Dr. Johnson practices at 225 Prado Rd, San Luis Obispo, CA 93401. Dr. Johnson's primary practice is Urology Associates of the Central Coast in San Luis Obispo, California. Dmand AI also links Dr. Johnson to 3 hospitals, 2 home health agencies and 1 group practice or clinic.

What is Dr. Christopher Warren Johnson's office phone number?

The practice phone on file for Dr. Johnson is (805) 786-2500.

What is Dr. Christopher Warren Johnson's medical license number?

Dr. Johnson holds California license A77635, one of the licenses on file in 4 states.

Which states has Dr. Christopher Warren Johnson been licensed in?

Dmand AI has state licenses on file for Dr. Johnson in California (2002 to 2026), Florida (2004 to 2022), Alabama (2015 to 2021) and New York (2001 to 2010).

Which hospitals is Dr. Christopher Warren Johnson affiliated with?

Dr. Johnson is affiliated with Dignity Health - French Hospital Medical Center. Dmand AI links Dr. Johnson to 3 more hospitals.

What medical group is Dr. Christopher Warren Johnson part of?

Dr. Johnson is linked to Urology Associates of the Central Coast.

Does Dr. Christopher Warren Johnson accept Medicare?

Yes. CMS data shows Dr. Johnson billed Medicare for 55,273 services in 2024, and Dr. Johnson accepts Medicare assignment.

Does Dr. Christopher Warren Johnson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Johnson as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Christopher Warren Johnson's MIPS score?

Dr. Johnson's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.

How many Medicare patients does Dr. Christopher Warren Johnson see?

CMS counts 2,281 Medicare patients who saw Dr. Johnson in 2024, with an average age of 75.

Is Dr. Christopher Warren Johnson board certified?

Yes. Dr. Johnson is board certified in urology by the American Board of Urology.

What services does Dr. Christopher Warren Johnson bill to Medicare?

In 2024, Dr. Johnson's most billed Medicare services were injected or infused drug (J3145), injected or infused drug (J0897) and injected or infused drug (J0585).

Where did Dr. Christopher Warren Johnson go to medical school?

Dr. Johnson graduated from Weill Cornell Medicine in 1999.

What drugs does Dr. Christopher Warren Johnson prescribe most?

In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.

Has Dr. Christopher Warren Johnson received payments from drug or device companies?

CMS Open Payments shows $25,057 in general payments to Dr. Johnson from 61 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Christopher Warren Johnson been practicing?

Dr. Johnson graduated from medical school in 1999, 27 years ago.

Does Dr. Christopher Warren Johnson do research?

Dmand AI links 2 publications to Dr. Johnson.

Who does Dr. Christopher Warren Johnson publish with?

Dr. Johnson's most frequent co-authors are Mitchell Clark Benson, MD (1 shared paper), Samuel Hamilton Eaton, MD (1 shared paper) and Erik T. Goluboff, MD (1 shared paper).

What insurance does Dr. Christopher Warren Johnson accept?

Dr. Johnson is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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