Susan Cox, MD
Dermatology Physician · Newport Beach, CA
Susan Cox, MD is a dermatology physician with a practice address in Newport Beach, California, and NPI 1811985724, issued on Oct 13, 2005. Check the license (California G54200, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susan Cox
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G54200 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20162 SW Birch St Ste 250, Newport Beach, CA 92660
- Phone
- (949) 251-0427
- Enumerated
- Oct 13, 2005
- Record last updated
- May 21, 2026
- Fax
- (949) 251-0480
- Medicare enrollment
- Enrolled (PECOS I20091110000111); accepts Medicare assignment
- Medical or professional school
- University Of Nevada School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 20162 SW Birch St Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hui-Kyung Kim, MDDermatology Physician1720076631
- Melissa Watcher, M.D.Dermatology Physician1538195797
Verify Susan Cox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average dermatology physician in 2024
446 Medicare Part D claims for 173 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide84 claims
- Mupirocin40 claims
- Ketoconazole39 claims
- Spironolactone30 claims
- Clobetasol Propionate25 claims
- Hydrocortisone20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $747.94
32 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Premier Dermatology Associates OF Orange CountyNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Cox among 2,083 dermatology physician records in California
Susan Cox, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1983 · median 2006 among the 1,450 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Newport Beach → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Michelle Aszterbaum, MDNewport Beach, CA 926601992891329
- Lynn Dimino, M.D.Newport Beach, CA 926601699724542
- Leila Ettefagh, M.D.Newport Beach, CA 926601881643724
- Kristen Forman, M.D.Newport Beach, CA 926601992750335
- Peter Helton, DONewport Beach, CA 926601295775872
- Hui-Kyung Kim, MDNewport Beach, CA 926601720076631
- Navid Nami, D.O.Newport Beach, CA 926601710936646
- Samuel Peterson, MDNewport Beach, CA 926601073571295
Common questions
What is Susan Cox, MD's NPI number?
Susan Cox, MD's National Provider Identifier (NPI) is 1811985724, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Susan Cox, MD located?
The NPPES record lists a practice address at 20162 SW Birch St Ste 250, Newport Beach, CA, 92660. Phone: (949) 251-0427. Providers update this record themselves, so call before visiting.
How can I verify Susan Cox, MD's license?
NPPES lists California license number G54200, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Susan Cox, MD prescribe under Medicare Part D?
In 2024, Susan Cox, MD had 446 Medicare Part D claims for 173 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Susan Cox, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.