Physician Profile
Warren C. Johnson, M.D., PhD
Unclaimed ProfileAbout Dr. Johnson
Warren C. Johnson, M.D., PhD is a healthcare provider in Phoenix, AZ specializing in family medicine. Warren trained at University of Arizona College of Medicine, graduating in 1994. Medicare claims data shows Warren provided 2,317 services to 1,518 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (602) 494-5155
- Email not available
Practice Locations
11209 N TATUM BLVD SUITE 180
Phoenix, AZ 85028
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
Procedures Most Often Billed to Medicare
2,317 services · 1,518 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
49 | As often as other peers in Family Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
46 | More often than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
29 | As often as other peers in Family Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
15 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,059 | More than most peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
641 | More than most peers in Family Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
320 | More than most peers in Family Medicine |
| Urinalysis, manual test | Lab test | 81002 |
66 | More often than most peers in Family Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
29 | As often as other peers in Family Medicine |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | Billing code | G0402 |
21 | More often than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other family doctors in Phoenix 8
Same specialty, same city.
Trained at University of Arizona College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Arizona College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What does Warren C. Johnson, M.D. specialize in?
Warren C. Johnson, M.D. is a family doctor in Phoenix, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Warren C. Johnson, M.D. located?
Warren C. Johnson, M.D. is listed at 11209 N Tatum Blvd Suite 180, Phoenix, AZ 85028. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Warren C. Johnson, M.D.'s phone number?
The number on file is (602) 494-5155. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Warren C. Johnson, M.D.?
Warren C. Johnson, M.D.'s National Provider Identifier is 1134168925. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Warren C. Johnson, M.D. train?
Warren C. Johnson, M.D. attended University of Arizona College of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Warren C. Johnson, M.D. have?
Warren C. Johnson, M.D. has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Warren C. Johnson, M.D. do most often?
According to Medicare billing data, Warren C. Johnson, M.D. provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Warren C. Johnson, M.D.'s profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Warren C. Johnson, M.D.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.