Dr. Keith Mark Gross, MD

  • Victorville, CA
  • Dermatologist
NPI1952357188PAC ID4880589670
Medicare services, 2024
24,134
Medicare patients, 2024
3,108
Part D claims, 2024
1,176
MIPS score, 2024
75
Industry payments
$22
Practice address
12550 Hesperia Rd, Victorville, CA 92395
Practice phone
Call (909) 335-8638
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Keith Mark Gross MD Inc

Victorville, California

See all 4 affiliations

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Dr. Keith Mark Gross is a dermatologist in Victorville, California

Dr. Gross practices at Keith Mark Gross MD Inc in Victorville, California.

Dr. Gross' NPI, 1952357188, was assigned on May 26, 2006. Dr. Gross graduated from David Geffen School of Medicine at UCLA in 1987. Dr. Gross' California license number on file is G63544.

NPI and contact details
Medicare PAC ID
4880589670
NPI enumeration date
May 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 335-8638
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. Keith Mark Gross practices at Keith Mark Gross MD Inc in Victorville, California

Dr. Gross' primary practice is Keith Mark Gross MD Inc, at 12550 Hesperia Rd, Victorville, CA 92395 in San Bernardino County. The practice phone is (909) 335-8638.

  • Keith Mark Gross MD Inc
    12550 Hesperia Rd, Victorville, CA 92395 · San Bernardino CountyPhone(909) 335-8638

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

Dr. Keith Mark Gross is affiliated with 2 sites of care and 2 medical groups

Dr. Gross' primary practice is Keith Mark Gross MD Inc in Victorville, California. The medical group on file is Keith M. Gross, M.D. Dermatology Center. Dmand AI also links Dr. Gross to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Gross

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

Dmand AI tracks the EHR system at Dr. Keith Mark Gross' practice

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

EHR by site
SiteEHR vendor and product
Keith Mark Gross MD IncAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Keith Mark Gross is one of 1,910 dermatologists in California

Dermatology is Dr. Gross' primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Gross is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Gross' licenses on file in 5 states: California, Nevada, Arizona, New York and Wyoming.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense G63544 · 1988 to 2025 · taxonomy 207N00000X
  • Nevada licenseLicense 7006 · 1994 to 2027
  • Arizona license1997 to 2026
  • New York license2013 to 2026
  • Wyoming license1996 to 2022

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, hives and itchy rashes among the conditions Dr. Gross treats.

Dermatologists near Dr. Gross

Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.

1,910dermatologists in California
2dermatologists in Victorville

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Keith Mark Gross billed Medicare for 24,134 services in 2024

CMS data shows 24,134 Medicare services from Dr. Gross across 44 procedure codes in 2024, for 3,108 Medicare patients. Medicare paid $1,380,816 for them. Every service was in an office.

Medicare services, 202424,134
Medicare patients3,108
Paid by Medicare$1.4M
Procedure codes44

Dr. Gross' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 15,5302024: 15,3021%
Lab and pathology
2023: 7,2432024: 7,0543%
Office and hospital visits
2023: 1,8552024: 1,7784%
Drugs given in the office
2023: 262024: 0100%

Dr. Gross compared with the California median for dermatologists, 2024

  • Dr. Gross
  • California median
Medicare services
24,134vs 1,75013.8 times
Medicare patients
3,108vs 3778.2 times
Part D claims
1,066vs 3672.9 times

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Gross' 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. Gross

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

Dr. Keith Mark Gross treated 3,108 Medicare patients in 2024, average age 77

CMS counts 3,108 Medicare patients who saw Dr. Gross in 2024. The largest group is 75 to 84, with 1,364 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Gross' median patient age at 77, with 49% women.

Medicare patients, 20243,108
Average age77
Average risk score1.03
Also on Medicaid5%

Dr. Gross' Medicare patients by age, 2024

Dr. Gross' Medicare patients by sex, 2024

  • Women1,56850%
  • Men1,54050%

Chronic conditions among Dr. Gross' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis43%
  4. Diabetes29%
  5. Ischemic heart disease27%
  6. Chronic kidney disease25%
  7. Atrial fibrillation17%
  8. Heart failure17%

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

Dr. Gross' patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Keith Mark Gross wrote 1,176 Medicare Part D claims in 2024

In 2024, Dr. Gross wrote 1,176 Medicare Part D claims for 711 patients. 100% of them were for generic drugs. CMS names the drug for 1,066 of them, across 12 drugs with 11 or more claims each, at $13,924 in total drug cost. In 2023, CMS named 1,142 claims across 16 drugs.

Part D claims, 20241,176
Drugs named by CMS12
Total drug cost$13,924
Part D patients711

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

  • Generic1,174 claims100%
  • Brand-name and other2 claims0%

Dr. Gross' 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. Gross' Part D claims, 2024

  • Antibiotics55%641 of 1,176 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: 1,1422024: 1,0667%

Drugs named by CMS: 12 in 2024, 16 in 2023.

See all prescribing by Dr. Gross

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. Keith Mark Gross scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Gross for performance year 2024, reported as part of a group. Dr. Gross accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 4,265 procedures of removal of skin lesions by Dr. Gross, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Where Dr. Gross ranks in Medicare procedure volume

Removal of skin lesions
99th percentile4,265 procedures
Skin biopsy
99th percentile1,514 procedures
Removal of skin cancer
85th percentile967 procedures
Melanoma (skin cancer) excision
98th percentile264 procedures
Removal or shaving of skin growth
88th percentile150 procedures

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

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. Keith Mark Gross received $22 in industry payments in 2019

CMS Open Payments shows 1 general payment to Dr. Gross from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. EPI Health, LLC paid the most, $22.

Companies that paid Dr. Gross the most, 2019 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Gross

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

Dr. Keith Mark Gross graduated from David Geffen School of Medicine at UCLA

Dr. Gross graduated from David Geffen School of Medicine at UCLA in 1987.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. Keith Mark Gross accepts plans from 13 insurance carriers

Dr. Gross is in network with 13 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • +5 more carriersWith a free account

Plan types Dr. Gross accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. POS7
  4. HMO5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Keith Mark Gross'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)
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. Keith Mark Gross

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. Keith Mark Gross' NPI number?

Dr. Keith Mark Gross' NPI number is 1952357188. It was assigned on May 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Keith Mark Gross?

Dr. Keith Mark Gross is a dermatologist in Victorville, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Keith Mark Gross practice?

Dr. Gross practices at 12550 Hesperia Rd, Victorville, CA 92395. Dr. Gross' primary practice is Keith Mark Gross MD Inc in Victorville, California. Dmand AI also links Dr. Gross to 1 group practice or clinic and 1 medical group.

What is Dr. Keith Mark Gross' office phone number?

The practice phone on file for Dr. Gross is (909) 335-8638.

What is Dr. Keith Mark Gross' medical license number?

Dr. Gross' California license number on file is G63544, one of the licenses on file in 5 states.

Which states has Dr. Keith Mark Gross been licensed in?

Dmand AI has state licenses on file for Dr. Gross in California (1988 to 2025), Nevada (1994 to 2027), Arizona (1997 to 2026), New York (2013 to 2026) and Wyoming (1996 to 2022).

What medical group is Dr. Keith Mark Gross part of?

Dr. Gross is linked to Keith M. Gross, M.D. Dermatology Center. Dmand AI links Dr. Gross to 1 more medical group.

Does Dr. Keith Mark Gross accept Medicare?

Yes. CMS data shows Dr. Gross billed Medicare for 24,134 services in 2024, and Dr. Gross accepts Medicare assignment.

What is Dr. Keith Mark Gross' MIPS score?

Dr. Gross' MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Dr. Keith Mark Gross see?

CMS counts 3,108 Medicare patients who saw Dr. Gross in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

Is Dr. Keith Mark Gross board certified?

Yes. Dr. Gross is board certified in dermatology by the American Board of Dermatology.

What services does Dr. Keith Mark Gross bill to Medicare?

In 2024, Dr. Gross' most billed Medicare services were surgery: skin and soft tissue (17003), lab and pathology test (88305) and surgery: skin and soft tissue (17000).

Where did Dr. Keith Mark Gross go to medical school?

Dr. Gross graduated from David Geffen School of Medicine at UCLA in 1987.

What drugs does Dr. Keith Mark Gross prescribe most?

In 2024 Medicare Part D data, Dr. Gross' most prescribed drugs by claims were Cephalexin, Minocycline HCl and Triamcinolone Acetonide.

Has Dr. Keith Mark Gross received payments from drug or device companies?

CMS Open Payments shows $22 in general payments to Dr. Gross from 1 company from 2019 to 2019. The largest total came from EPI Health, LLC.

How long has Dr. Keith Mark Gross been practicing?

Dr. Gross graduated from medical school in 1987, 39 years ago.

What insurance does Dr. Keith Mark Gross accept?

Dr. Gross is in network with 13 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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