Stephanie Chan Orr, M.D.
Dermatology Physician · Torrance, CA
Stephanie Chan Orr, M.D. is a dermatology physician with a practice address in Torrance, California, and NPI 1568755502, issued on May 24, 2011. Check the license (California A120634, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Chan Orr
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A120634 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21311 Madrona Ave Ste 100D, Torrance, CA 90503
- Phone
- (310) 792-5050
- Enumerated
- May 24, 2011
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140113001730); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2010
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Verify Stephanie Chan Orr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average dermatology physician in 2024
2,281 Medicare Part D claims for 831 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Fluorouracil468 claims
- Clobetasol Propionate238 claims
- Calcipotriene221 claims
- Hydrocortisone136 claims
- Triamcinolone Acetonide113 claims
- Vectical104 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Chan Orr among 2,083 dermatology physician records in California
Stephanie Chan Orr, M.D. 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 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2010 · median 2006 among the 1,450 with a school on file
- Record last updated2021 · 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 Torrance → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Adrienne Brandriss, M.D.Torrance, CA 905031376734954
- Gary Chuang, M.D.Torrance, CA 905031013199868
- Reyhaneh Hamidi, MDTorrance, CA 905031144470162
- Takako Iwasaki, M.D.Torrance, CA 905031639240237
- Kathryn Johnston, M.D.Torrance, CA 905031952344475
- Phillip Valentine, M.D.Torrance, CA 905031306884416
- Richard Yamamoto, M.D.Torrance, CA 905031003859802
- Shilpa Hamman, M.D.Torrance, CA 905021073830626
Common questions
What is Stephanie Chan Orr, M.D.'s NPI number?
Stephanie Chan Orr, M.D.'s National Provider Identifier (NPI) is 1568755502, issued on May 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Chan Orr, M.D. located?
The NPPES record lists a practice address at 21311 Madrona Ave Ste 100D, Torrance, CA, 90503. Phone: (310) 792-5050. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Chan Orr, M.D.'s license?
NPPES lists California license number A120634, 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 Stephanie Chan Orr, M.D. prescribe under Medicare Part D?
In 2024, Stephanie Chan Orr, M.D. had 2,281 Medicare Part D claims for 831 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
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.