Dr. John Marshall Strong, MD

  • Rancho Mirage, CA
  • Family medicine physician
NPI1043248719PAC ID9335204163
Medicare services, 2024
13,181
Medicare patients, 2024
1,429
Part D claims, 2024
14,615
Publications
60
MIPS score, 2024
44
Practice address
35800 Bob Hope Drive, Suite 100, Rancho Mirage, CA 92270
Practice phone
Call (760) 699-6500
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Rancho Mirage Surgery Center

Surgery Center - Medicare-Certified · Rancho Mirage, California

See all 15 affiliations

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Dr. John Marshall Strong is a family medicine physician in Rancho Mirage, California

Dr. Strong practices at Rancho Mirage Surgery Center in Rancho Mirage, California.

Dr. Strong's NPI, 1043248719, was assigned on June 29, 2006. Dr. Strong graduated from University Of Washington School Of Medicine in 1979. Dr. Strong holds California license G85954.

NPI and contact details
Medicare PAC ID
9335204163
NPI enumeration date
June 29, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(760) 699-6500
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
73
Medical school graduation
1979

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

Dr. John Marshall Strong practices at Rancho Mirage Surgery Center in Rancho Mirage, California

Dr. Strong's primary practice is Rancho Mirage Surgery Center, at 35800 Bob Hope Drive, Suite 100, Rancho Mirage, CA 92270. The practice phone is (760) 699-6500.

  • Rancho Mirage Surgery Center
    35800 Bob Hope Drive, Suite 100, Rancho Mirage, CA 92270Phone(760) 699-6500

Source: Dmand AI Affiliation Data

Dr. John Marshall Strong is affiliated with 11 sites of care and 4 medical groups

Dr. Strong's primary practice is Rancho Mirage Surgery Center in Rancho Mirage, California. Dr. Strong is also affiliated with El Centro Regional Medical Center. The medical group on file is Legacy MD Medical Group. Dmand AI also links Dr. Strong to 1 more hospital, 5 home health agencies, 3 group practices and clinics and 3 medical groups, each named with a free account.

See all 15 affiliations for Dr. Strong

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

Dmand AI tracks the EHR system at Dr. John Marshall Strong's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Strong practices, 11 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rancho Mirage Surgery CenterAvailable with a free account
+10 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Marshall Strong is one of 15,680 family medicine physicians in California

Family medicine is Dr. Strong's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Strong is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Strong's licenses on file in 3 states: California, Washington and Oregon.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense G85954 · 2000 to 2026 · taxonomy 207Q00000X
  • Washington license1983 to 2020
  • Oregon license2017 to 2019

Clinical focus

Dmand AI lists acid reflux, acute gastroduodenitis, acute sinusitis, acute skin infection, ADHD, alzheimer's disease, anxiety and aortic atherosclerois among the conditions Dr. Strong treats.

Family medicine physicians near Dr. Strong

Counts of family medicine physicians 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. John Marshall Strong billed Medicare for 13,181 services in 2024

CMS data shows 13,181 Medicare services from Dr. Strong across 86 procedure codes in 2024, for 1,429 Medicare patients. Medicare paid $564,498 for them.

Medicare services, 202413,181
Medicare patients1,429
Paid by Medicare$564,498
Procedure codes86

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

  • 2023
  • 2024
Office and hospital visits
2023: 3,5982024: 6,29975%
Lab and pathology
2023: 7402024: 3,547379%
Other services
2023: 8712024: 1,51674%
Tests and treatments
2023: 2192024: 698219%
Drugs given in the office
2023: 3872024: 65670%
Imaging
2023: 02024: 409
Surgery
2023: 362024: 5656%

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

  • In an office13,07599%
  • In a facility1061%

Dr. Strong compared with the California median for family medicine physicians, 2024

  • Dr. Strong
  • California median
Medicare services
13,181vs 24653.6 times
Medicare patients
1,429vs 11812.1 times
Part D claims
13,802vs 83316.6 times

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Strong'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. Strong

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

Dr. John Marshall Strong treated 1,429 Medicare patients in 2024, average age 72

CMS counts 1,429 Medicare patients who saw Dr. Strong in 2024. The largest group is 65 to 74, with 652 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 73% are also on Medicaid. Their average risk score is 1.68, 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. Strong's median patient age at 67, with 53% women.

Medicare patients, 20241,429
Average age72
Average risk score1.68
Also on Medicaid73%

Dr. Strong's Medicare patients by age, 2024

Dr. Strong's Medicare patients by sex, 2024

  • Women86360%
  • Men56640%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Diabetes53%
  5. Anxiety31%
  6. Ischemic heart disease31%
  7. Mood disorders29%
  8. Depression28%

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

Dr. Strong's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women53%
  • Men46%

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

Dr. John Marshall Strong wrote 14,615 Medicare Part D claims in 2024

In 2024, Dr. Strong wrote 14,615 Medicare Part D claims for 1,549 patients. 86% of them were for generic drugs. CMS names the drug for 13,802 of them, across 182 drugs with 11 or more claims each, at $1,155,301 in total drug cost. In 2023, CMS named 10,858 claims across 146 drugs.

Part D claims, 202414,615
Drugs named by CMS182
Total drug cost$1.2M
Part D patients1,549

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

  • Generic12,560 claims86%
  • Brand-name1,913 claims13%
  • Other142 claims1%

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

  • Opioids5%755 of 14,615 claims
  • Antibiotics2%243 of 14,615 claims
  • Antipsychotics, patients 65 and over1%83 of 14,615 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: 10,8582024: 13,80227%

Drugs named by CMS: 182 in 2024, 146 in 2023.

See all prescribing by Dr. Strong

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. John Marshall Strong scored 44 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 44 out of 100 for Dr. Strong for performance year 2024, reported individually. Dr. Strong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Strong as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Strong's MIPS scores, performance year 2024

  • 44of 100Final score
  • 30of 100Quality
  • 0of 100Improvement Activities
  • 74of 100Cost

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

Removal of skin lesions: 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. John Marshall Strong has 60 publications on record

Dmand AI links 60 papers to Dr. Strong, published from 2008 to 2014. 2008 was the busiest year, with 2. The most frequent topics are Kinetics, Gas Chromatography-Mass Spectrometry and Liver. Dr. Strong has published most often in Clin Pharmacol Ther. Dr. Strong's most frequent co-authors are Eric Keith Rowinsky, Carmen Joseph Allegra, MD and Marc Horowitz, MD.

Papers60
Years published2008 to 2014

Dr. Strong's papers by year, 2008 to 2014

Topics Dr. Strong writes about most

  • Kinetics
  • Gas Chromatography-Mass Spectrometry
  • Liver
  • Mass Spectrometry
  • Chromatography, High Pressure Liquid
  • Antineoplastic Agents
  • Microsomes, Liver
  • Misonidazole

Dr. Strong's most frequent co-authors

Recent publications by Dr. Strong

See all 60 publications and co-authors

See who Dr. Strong researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Strong works with, so you can find a warm path to the right family medicine physicians.

How network discovery works

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

Dr. John Marshall Strong received $7,461 in industry payments from 2017 to 2025

CMS Open Payments shows 295 general payments to Dr. Strong from 54 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $820.

General payments to Dr. Strong by program year, 2017 to 2025

General payments to Dr. Strong by kind, 2017 to 2025

$7.5Kin total
  • Food and beverage$7,442100%
  • Education$190%

Companies that paid Dr. Strong the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Strong

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

Dr. John Marshall Strong graduated from University Of Washington School Of Medicine

Dr. Strong graduated from University Of Washington School Of Medicine in 1979.

  1. Medical schoolUniversity Of Washington School Of Medicine
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. John Marshall Strong accepts plans from 16 insurance carriers

Dr. Strong is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Strong accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO7
  4. POS5
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. John Marshall Strong'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 phoneDmand AI Affiliation 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)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. John Marshall Strong

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. John Marshall Strong's NPI number?

Dr. John Marshall Strong's NPI number is 1043248719. It was assigned on June 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Marshall Strong?

Dr. John Marshall Strong is a family medicine physician in Rancho Mirage, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. John Marshall Strong practice?

Dr. Strong practices at 35800 Bob Hope Drive, Suite 100, Rancho Mirage, CA 92270. Dr. Strong's primary practice is Rancho Mirage Surgery Center in Rancho Mirage, California. Dmand AI also links Dr. Strong to 1 hospital, 5 home health agencies, 3 group practices and clinics and 3 medical groups.

What is Dr. John Marshall Strong's office phone number?

The practice phone on file for Dr. Strong is (760) 699-6500.

What is Dr. John Marshall Strong's medical license number?

Dr. Strong holds California license G85954, one of the licenses on file in 3 states.

Which states has Dr. John Marshall Strong been licensed in?

Dmand AI has state licenses on file for Dr. Strong in California (2000 to 2026), Washington (1983 to 2020) and Oregon (2017 to 2019).

Which hospitals is Dr. John Marshall Strong affiliated with?

Dr. Strong is affiliated with El Centro Regional Medical Center. Dmand AI links Dr. Strong to 1 more hospital.

What medical group is Dr. John Marshall Strong part of?

Dr. Strong is linked to Legacy MD Medical Group. Dmand AI links Dr. Strong to 3 more medical groups.

Does Dr. John Marshall Strong accept Medicare?

Yes. CMS data shows Dr. Strong billed Medicare for 13,181 services in 2024, and Dr. Strong accepts Medicare assignment.

Does Dr. John Marshall Strong offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. John Marshall Strong's MIPS score?

Dr. Strong's MIPS final score for performance year 2024 is 44 out of 100, reported individually.

How many Medicare patients does Dr. John Marshall Strong see?

CMS counts 1,429 Medicare patients who saw Dr. Strong in 2024, with an average age of 72.

Is Dr. John Marshall Strong board certified?

Yes. Dr. Strong is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. John Marshall Strong bill to Medicare?

In 2024, Dr. Strong's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G2211).

Where did Dr. John Marshall Strong go to medical school?

Dr. Strong graduated from University Of Washington School Of Medicine in 1979.

What drugs does Dr. John Marshall Strong prescribe most?

In 2024 Medicare Part D data, Dr. Strong's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Losartan Potassium.

Has Dr. John Marshall Strong received payments from drug or device companies?

CMS Open Payments shows $7,461 in general payments to Dr. Strong from 54 companies from 2017 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. John Marshall Strong been practicing?

Dr. Strong graduated from medical school in 1979, 47 years ago.

Does Dr. John Marshall Strong do research?

Dmand AI links 60 publications to Dr. Strong, published from 2008 to 2014.

Who does Dr. John Marshall Strong publish with?

Dr. Strong's most frequent co-authors are Eric Keith Rowinsky (3 shared papers), Carmen Joseph Allegra, MD (2 shared papers) and Marc Horowitz, MD (2 shared papers).

What insurance does Dr. John Marshall Strong accept?

Dr. Strong is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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