Michael J. Nelms, PA-C

  • San Clemente, CA
  • Physician assistant
NPI1235113580PAC ID1456432293
Medicare services, 2024
12,237
Medicare patients, 2024
436
Part D claims, 2024
411
MIPS score, 2024
85
Industry payments
$3,050
Practice address
1300 Avenida Vista Hermosa, San Clemente, CA 92673
Practice phone
Call (949) 644-0101
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Southern California Dermatology

San Clemente, California

See all 3 affiliations

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Michael J. Nelms is a physician assistant in San Clemente, California

Michael Nelms practices at Southern California Dermatology in San Clemente, California.

Michael Nelms' NPI, 1235113580, was assigned on November 30, 2005. Michael Nelms holds California license PA14379.

NPI and contact details
Medicare PAC ID
1456432293
NPI enumeration date
November 30, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 644-0101
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
55
Medical school graduation
1997

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

Michael J. Nelms practices at Southern California Dermatology in San Clemente, California

Michael Nelms' primary practice is Southern California Dermatology, at 1300 Avenida Vista Hermosa, San Clemente, CA 92673 in Orange County. The practice phone is (949) 644-0101.

  • Southern California Dermatology
    1300 Avenida Vista Hermosa, San Clemente, CA 92673 · Orange CountyPhone(949) 644-0101

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

Michael J. Nelms is affiliated with 2 sites of care and 1 medical group

Michael Nelms' primary practice is Southern California Dermatology in San Clemente, California. The medical group on file is West Dermatology. Dmand AI also links Michael Nelms to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Michael Nelms

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

Dmand AI tracks the EHR system at Michael J. Nelms' practice

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

EHR by site
SiteEHR vendor and product
Southern California DermatologyAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael J. Nelms is one of 11,482 physician assistants in California

Physician assistant is Michael Nelms' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Nelms is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Michael Nelms is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA14379 · taxonomy 363A00000X

Clinical focus

Dmand AI lists acute skin infection, benign or precancerous skin growths, bursitis, cold sores or genital herpes, contact dermatitis, corns and calluses, itchy rashes and minor head injury among the conditions Michael Nelms treats.

Physician assistants near Michael Nelms

Counts of physician assistants 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

Michael J. Nelms billed Medicare for 12,237 services in 2024

CMS data shows 12,237 Medicare services from Michael Nelms across 18 procedure codes in 2024, for 436 Medicare patients. Medicare paid $215,911 for them. Every service was in an office.

Medicare services, 202412,237
Medicare patients436
Paid by Medicare$215,911
Procedure codes18

Michael Nelms' Medicare services by type, 2024

  1. Drugs given in the office7,600
  2. Surgery3,677
  3. Office and hospital visits924
  4. Tests and treatments36

Michael Nelms compared with the California median for physician assistants, 2024

  • Michael Nelms
  • California median
Medicare services
12,237vs 20460.0 times
Medicare patients
436vs 1054.2 times
Part D claims
341vs 24340% above

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Michael Nelms' 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 Michael Nelms

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

Michael J. Nelms treated 436 Medicare patients in 2024, average age 74

CMS counts 436 Medicare patients who saw Michael Nelms in 2024. The largest group is 65 to 74, with 244 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.84, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Michael Nelms' median patient age at 56, with 44% women.

Medicare patients, 2024436
Average age74
Average risk score0.84
Also on Medicaid4%

Michael Nelms' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Michael Nelms' Medicare patients by sex, 2024

  • Women19444%
  • Men24256%

Chronic conditions among Michael Nelms' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure61%
  3. Arthritis42%
  4. Ischemic heart disease23%
  5. Anxiety18%
  6. Mood disorders17%
  7. Atrial fibrillation16%
  8. Cancer16%

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

Michael Nelms' patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Michael J. Nelms wrote 411 Medicare Part D claims in 2024

In 2024, Michael Nelms wrote 411 Medicare Part D claims for 186 patients. 95% of them were for generic drugs. CMS names the drug for 341 of them, across 12 drugs with 11 or more claims each, at $8,074 in total drug cost.

Part D claims, 2024411
Drugs named by CMS12
Total drug cost$8,074
Part D patients186

Michael Nelms' Part D claims by kind of drug, 2024

  • Generic392 claims95%
  • Brand-name19 claims5%

Michael Nelms' 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 Michael Nelms' Part D claims, 2024

  • Antibiotics14%59 of 411 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Michael Nelms

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

Michael J. Nelms scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Michael Nelms for performance year 2024, reported as part of a group. Michael Nelms accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Michael Nelms' MIPS scores, performance year 2024

  • 85of 100Final score
  • 74.5of 100Quality
  • 92of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 83of 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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Michael J. Nelms received $3,050 in industry payments from 2024 to 2025

CMS Open Payments shows 139 general payments to Michael Nelms from 21 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $551.

General payments to Michael Nelms by program year, 2024 to 2025

Companies that paid Michael Nelms the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Nelms

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

Michael J. Nelms is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Michael J. Nelms'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Michael J. Nelms

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael J. Nelms' NPI number?

Michael J. Nelms' NPI number is 1235113580. It was assigned on November 30, 2005, and it is active in the NPI Registry.

What does Michael J. Nelms specialize in?

Michael J. Nelms is a physician assistant in San Clemente, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael J. Nelms practice?

Michael Nelms practices at 1300 Avenida Vista Hermosa, San Clemente, CA 92673. Michael Nelms' primary practice is Southern California Dermatology in San Clemente, California. Dmand AI also links Michael Nelms to 1 group practice or clinic.

What is Michael J. Nelms' office phone number?

The practice phone on file for Michael Nelms is (949) 644-0101.

What is Michael J. Nelms' medical license number?

Michael Nelms holds California license PA14379.

What medical group is Michael J. Nelms part of?

Michael Nelms is linked to West Dermatology.

Does Michael J. Nelms accept Medicare?

Yes. CMS data shows Michael Nelms billed Medicare for 12,237 services in 2024, and Michael Nelms accepts Medicare assignment.

What is Michael J. Nelms' MIPS score?

Michael Nelms' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Michael J. Nelms see?

CMS counts 436 Medicare patients who saw Michael Nelms in 2024, with an average age of 74.

Is Michael J. Nelms board certified?

Yes. Michael Nelms is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

Show 4 more questionsShow fewer questions

What services does Michael J. Nelms bill to Medicare?

In 2024, Michael Nelms' most billed Medicare services were injected or infused drug (J7345), surgery: skin and soft tissue (17003) and office visit, established patient (99213).

What drugs does Michael J. Nelms prescribe most?

In 2024 Medicare Part D data, Michael Nelms' most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Clobetasol Propionate.

Has Michael J. Nelms received payments from drug or device companies?

CMS Open Payments shows $3,050 in general payments to Michael Nelms from 21 companies from 2024 to 2025. The largest total came from Abbvie Inc.

How long has Michael J. Nelms been practicing?

Michael Nelms graduated from medical school in 1997, 29 years ago.

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