Dr. Johann G. Gray, MD

  • Rancho Mirage, CA
  • Hospitalist
NPI1922234657PAC ID1254587983
Medicare services, 2024
949
Medicare patients, 2024
360
Part D claims, 2024
1,323
MIPS score, 2024
88
Hospital affiliations
1
Practice address
39-000 Bob Hope Drive, Rancho Mirage, CA 92270
Practice phone
Call (760) 340-3911
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Eisenhower Health

Hospital · Rancho Mirage, California

See all 8 affiliations

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Dr. Johann G. Gray is a hospitalist in Rancho Mirage, California

Dr. Gray practices at Eisenhower Health in Rancho Mirage, California, part of Eisenhower Medical Center.

Dr. Gray's NPI, 1922234657, was assigned on June 9, 2009. Dr. Gray graduated from University of the West Indies Faculty of Medicine in 2005. Dr. Gray holds California license C145764.

NPI and contact details
Medicare PAC ID
1254587983
NPI enumeration date
June 9, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(760) 340-3911
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
48
Medical school graduation
2005

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

Dr. Johann G. Gray practices at 2 locations in Rancho Mirage, California

Dr. Gray's primary practice is Eisenhower Health, at 39-000 Bob Hope Drive, Rancho Mirage, CA 92270 in Riverside County. The practice phone is (760) 340-3911. Dr. Gray also practices at Eisenhower Medical Center, 39000 Bob Hope Dr, Rancho Mirage, CA 92270.

  • Eisenhower HealthPrimary
    39-000 Bob Hope Drive, Rancho Mirage, CA 92270 · Riverside CountyPhone(760) 340-3911
  • Eisenhower Medical Center
    39000 Bob Hope Dr, Rancho Mirage, CA 92270 · Riverside CountyPhone(760) 340-3911

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

Dr. Johann G. Gray is affiliated with 6 sites of care and 2 medical groups

Dr. Gray's primary practice is Eisenhower Health in Rancho Mirage, California, part of Eisenhower Medical Center. The medical group on file is Sound Physicians. Dmand AI also links Dr. Gray to 1 more breast imaging center, 1 clinical lab, 1 dialysis center, 1 home health agency, 1 hospice and 1 medical group, each named with a free account. Dr. Gray's employer is on file too: a hospital.

See all 8 affiliations for Dr. Gray

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Johann G. Gray's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gray practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Eisenhower HealthAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Eisenhower Medical Center and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Johann G. Gray is one of 3,186 hospitalists in California

Hospitalist is Dr. Gray's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Gray is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Gray's licenses on file in 2 states: California and South Carolina.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense C145764 · 2016 to 2026 · taxonomy 208M00000X
  • South Carolina licenseLicense 34818 · 2012 to 2019

Clinical focus

Dmand AI lists acute respiratory failure, anemia, bile duct problems, cardiac arrhythmia, cellulitis, chest trauma, chronic anemia and chronic diabetes among the conditions Dr. Gray treats.

Hospitalists near Dr. Gray

Counts of hospitalists 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. Johann G. Gray billed Medicare for 949 services in 2024

CMS data shows 949 Medicare services from Dr. Gray across 5 procedure codes in 2024, for 360 Medicare patients. Medicare paid $96,143 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024949
Medicare patients360
Paid by Medicare$96,143
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,1322024: 94916%

Dr. Gray compared with the California median for hospitalists, 2024

  • Dr. Gray
  • California median
Medicare services
949vs 4302.2 times
Medicare patients
360vs 20179% above
Part D claims
876vs 6912.7 times

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Dr. Gray'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. Gray

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

Dr. Johann G. Gray treated 360 Medicare patients in 2024, average age 78

CMS counts 360 Medicare patients who saw Dr. Gray in 2024. The largest group is 75 to 84, with 141 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Gray's median patient age at 78, with 46% women.

Medicare patients, 2024360
Average age78
Average risk score2.58
Also on Medicaid18%

Dr. Gray's Medicare patients by age, 2024

Dr. Gray's Medicare patients by sex, 2024

  • Women16546%
  • Men19554%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis60%
  4. Ischemic heart disease52%
  5. Chronic kidney disease51%
  6. Mood disorders44%
  7. Diabetes43%
  8. Heart failure43%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gray's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 78

Patient panel by sex, all payers

  • Women46%
  • Men54%

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

Dr. Johann G. Gray wrote 1,323 Medicare Part D claims in 2024

In 2024, Dr. Gray wrote 1,323 Medicare Part D claims for 307 patients. 85% of them were for generic drugs. CMS names the drug for 876 of them, across 37 drugs with 11 or more claims each, at $52,915 in total drug cost. In 2023, CMS named 716 claims across 33 drugs.

Part D claims, 20241,323
Drugs named by CMS37
Total drug cost$52,915
Part D patients307

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

  • Generic1,121 claims85%
  • Brand-name and other202 claims15%

Dr. Gray'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. Gray's Part D claims, 2024

  • Opioids3%39 of 1,323 claims
  • Antibiotics14%182 of 1,323 claims
  • Antipsychotics, patients 65 and over2%21 of 1,323 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: 7162024: 87622%

Drugs named by CMS: 37 in 2024, 33 in 2023.

See all prescribing by Dr. Gray

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. Johann G. Gray scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Gray for performance year 2024, reported as part of a group. Dr. Gray accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Gray's MIPS scores, performance year 2024

  • 88of 100Final score
  • 85.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Johann G. Gray received $494 in industry payments from 2017 to 2023

CMS Open Payments shows 5 general payments to Dr. Gray from 4 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $147.

General payments to Dr. Gray by program year, 2017 to 2023

Companies that paid Dr. Gray the most, 2017 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Gray

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Johann G. Gray graduated from University of the West Indies Faculty of Medicine

Dr. Gray graduated from University of the West Indies Faculty of Medicine in 2005.

  1. Medical schoolUniversity of the West Indies Faculty of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Johann G. Gray accepts plans from 13 insurance carriers

Dr. Gray is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +5 more carriersWith a free account

Plan types Dr. Gray accepts, by number of carriers

  1. PPO8
  2. Medicare7
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Johann G. Gray'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
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. Johann G. Gray

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. Johann G. Gray's NPI number?

Dr. Johann G. Gray's NPI number is 1922234657. It was assigned on June 9, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Johann G. Gray?

Dr. Johann G. Gray is a hospitalist in Rancho Mirage, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Johann G. Gray practice?

Dr. Gray practices at 39-000 Bob Hope Drive, Rancho Mirage, CA 92270. Dr. Gray also practices at 39000 Bob Hope Dr, Rancho Mirage, CA 92270. Dr. Gray's primary practice is Eisenhower Health in Rancho Mirage, California, part of Eisenhower Medical Center. Dmand AI also links Dr. Gray to 1 breast imaging center, 1 clinical lab, 1 dialysis center, 1 home health agency, 1 hospice and 1 medical group.

What is Dr. Johann G. Gray's office phone number?

The practice phone on file for Dr. Gray is (760) 340-3911.

What is Dr. Johann G. Gray's medical license number?

Dr. Gray holds California license C145764, one of the licenses on file in 2 states.

Which states has Dr. Johann G. Gray been licensed in?

Dmand AI has state licenses on file for Dr. Gray in California (2016 to 2026) and South Carolina (2012 to 2019).

Which hospitals is Dr. Johann G. Gray affiliated with?

Dr. Gray practices at Eisenhower Health in Rancho Mirage, California.

What medical group is Dr. Johann G. Gray part of?

Dr. Gray is linked to Sound Physicians. Dmand AI links Dr. Gray to 1 more medical group.

Does Dr. Johann G. Gray accept Medicare?

Yes. CMS data shows Dr. Gray billed Medicare for 949 services in 2024, and Dr. Gray accepts Medicare assignment.

What is Dr. Johann G. Gray's MIPS score?

Dr. Gray's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Johann G. Gray see?

CMS counts 360 Medicare patients who saw Dr. Gray in 2024, with an average age of 78.

Is Dr. Johann G. Gray board certified?

Yes. Dr. Gray is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Johann G. Gray bill to Medicare?

In 2024, Dr. Gray's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).

Where did Dr. Johann G. Gray go to medical school?

Dr. Gray graduated from University of the West Indies Faculty of Medicine in 2005.

What drugs does Dr. Johann G. Gray prescribe most?

In 2024 Medicare Part D data, Dr. Gray's most prescribed drugs by claims were Levothyroxine Sodium, Furosemide and Amlodipine Besylate.

Has Dr. Johann G. Gray received payments from drug or device companies?

CMS Open Payments shows $494 in general payments to Dr. Gray from 4 companies from 2017 to 2023. The largest total came from Pfizer Inc.

How long has Dr. Johann G. Gray been practicing?

Dr. Gray graduated from medical school in 2005, 21 years ago.

What insurance does Dr. Johann G. Gray accept?

Dr. Gray is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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