Dr. Gerard Nat, MD
- Medicare services, 2024
- 3,224
- Medicare patients, 2024
- 232
- Part D claims, 2024
- 284
- MIPS score, 2024
- 100
- Industry payments
- $666
- Practice address
- 600 E Washington Ave, Santa Ana, CA 92701
- Practice phone
- Call (562) 904-6116
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gerard Nat, M.D., Inc.
Santa Ana, California
Find Dr. Nat's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gerard Nat is a dermatologist in Santa Ana, California
Dr. Nat practices at Gerard Nat, M.D., Inc. in Santa Ana, California.
Dr. Nat's NPI, 1912007956, was assigned on September 22, 2006. Dr. Nat graduated from State University of New York at Buffalo School of Medicine in 1985. Dr. Nat holds California license G58203.
- NPI
- 1912007956NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911192323
- NPI enumeration date
- September 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 904-6116
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerard Nat practices at Gerard Nat, M.D., Inc. in Santa Ana, California
Dr. Nat's primary practice is Gerard Nat, M.D., Inc., at 600 E Washington Ave, Santa Ana, CA 92701 in Orange County. The practice phone is (562) 904-6116.
- Gerard Nat, M.D., Inc.600 E Washington Ave, Santa Ana, CA 92701 · Orange CountyPhone(562) 904-6116
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gerard Nat is affiliated with 2 sites of care
Dr. Nat's primary practice is Gerard Nat, M.D., Inc. in Santa Ana, California. Dmand AI also links Dr. Nat to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gerard Nat's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nat practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gerard Nat, M.D., Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerard Nat is one of 1,910 dermatologists in California
Dermatology is Dr. Nat's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Nat is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. Nat
Counts of dermatologists 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. Gerard Nat billed Medicare for 3,224 services in 2024
CMS data shows 3,224 Medicare services from Dr. Nat across 18 procedure codes in 2024, for 232 Medicare patients. Medicare paid $379,904 for them. Every service was in an office.
Dr. Nat's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2,2482024: 2,1922%
- Lab and pathology
- 2023: 8042024: 71112%
- Office and hospital visits
- 2023: 3002024: 3217%
Dr. Nat compared with the California median for dermatologists, 2024
- Dr. Nat
- California median
- Medicare services
- 3,224vs 1,75084% above
- Medicare patients
- 232vs 37738% below
- Part D claims
- 224vs 36739% below
Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.
Dr. Nat'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nat and other dermatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerard Nat treated 232 Medicare patients in 2024, average age 76
CMS counts 232 Medicare patients who saw Dr. Nat in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nat's median patient age at 66, with 50% women.
Dr. Nat's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nat's Medicare patients by sex, 2024
- Women11349%
- Men11951%
Chronic conditions among Dr. Nat's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes34%
- Chronic kidney disease29%
- Asthma19%
- Ischemic heart disease19%
- Cancer15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nat's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerard Nat wrote 284 Medicare Part D claims in 2024
In 2024, Dr. Nat wrote 284 Medicare Part D claims for 88 patients. 98% of them were for generic drugs. CMS names the drug for 224 of them, across 6 drugs with 11 or more claims each, at $4,402 in total drug cost. In 2023, CMS named 198 claims across 7 drugs.
Dr. Nat's Part D claims by kind of drug, 2024
- Generic278 claims98%
- Brand-name and other6 claims2%
Dr. Nat'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. Nat's Part D claims, 2024
- Antibiotics16%46 of 284 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: 1982024: 22413%
Drugs named by CMS: 6 in 2024, 7 in 2023.
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. Gerard Nat scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Nat for performance year 2024, reported individually. Dr. Nat accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 795 procedures of removal or shaving of skin growth by Dr. Nat, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Nat's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Nat ranks in Medicare procedure volume
- Removal of skin lesions
- 97th percentile1,680 procedures
- Removal or shaving of skin growth
- 98th percentile795 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. Gerard Nat received $666 in industry payments from 2016 to 2025
CMS Open Payments shows 35 general payments to Dr. Nat from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Mayne Pharma Inc. paid the most, $404.
General payments to Dr. Nat by program year, 2016 to 2025
Companies that paid Dr. Nat the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gerard Nat graduated from State University of New York at Buffalo School of Medicine
Dr. Nat graduated from State University of New York at Buffalo School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gerard Nat's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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 payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gerard Nat
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. Gerard Nat's NPI number?
Dr. Gerard Nat's NPI number is 1912007956. It was assigned on September 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerard Nat?
Dr. Gerard Nat is a dermatologist in Santa Ana, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Gerard Nat practice?
Dr. Nat practices at 600 E Washington Ave, Santa Ana, CA 92701. Dr. Nat's primary practice is Gerard Nat, M.D., Inc. in Santa Ana, California. Dmand AI also links Dr. Nat to 1 physician office.
What is Dr. Gerard Nat's office phone number?
The practice phone on file for Dr. Nat is (562) 904-6116.
What is Dr. Gerard Nat's medical license number?
Dr. Nat holds California license G58203.
Does Dr. Gerard Nat accept Medicare?
Yes. CMS data shows Dr. Nat billed Medicare for 3,224 services in 2024, and Dr. Nat accepts Medicare assignment.
What is Dr. Gerard Nat's MIPS score?
Dr. Nat's MIPS final score for performance year 2024 is 100 out of 100, reported individually.
How many Medicare patients does Dr. Gerard Nat see?
CMS counts 232 Medicare patients who saw Dr. Nat in 2024, with an average age of 76.
What services does Dr. Gerard Nat bill to Medicare?
In 2024, Dr. Nat's most billed Medicare services were surgery: skin and soft tissue (17004), lab and pathology test (88305) and surgery: skin and soft tissue (11312).
Where did Dr. Gerard Nat go to medical school?
Dr. Nat graduated from State University of New York at Buffalo School of Medicine in 1985.
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What drugs does Dr. Gerard Nat prescribe most?
In 2024 Medicare Part D data, Dr. Nat's most prescribed drugs by claims were Triamcinolone Acetonide, Doxycycline Hyclate and Fluocinonide.
Has Dr. Gerard Nat received payments from drug or device companies?
CMS Open Payments shows $666 in general payments to Dr. Nat from 6 companies from 2016 to 2025. The largest total came from Mayne Pharma Inc.
How long has Dr. Gerard Nat been practicing?
Dr. Nat graduated from medical school in 1985, 41 years ago.
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