npidexNPI registry + Medicare data

MARGARET SHANNON, M.D.

Dermatology Physician · COSTA MESA, CA

Individual Active NPI 1265449441

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20246316,231$744,814$448,556$337,003
20236237,444$761,493$502,102$375,722
20225947,816$765,868$508,216$377,748

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
17003Destruction of precancer skin growth, 2-14 growths2,885$7$5
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more740$92$64
17000Destruction of precancer skin growth, 1 growth641$59$43
88305Pathology examination of tissue using a microscope, intermediate complexity499$36$27
11102Biopsy of related skin growth, first growth384$106$77
99212Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more121$58$44
11103Biopsy of related skin growth, each additional growth110$52$40
12032Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm99$227$177
17311Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks85$666$513
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more65$113$75
17312Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks65$429$335
17313Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks47$662$505

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Dermatology Physician207N00000X✓G42251CA

Medicare eligibility

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

Other Dermatology Physician providers in California

See all Dermatology Physician providers in California →

Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.