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Edit this profileBased in Sacramento, CA, Keegan J. O'Hern, MD is listed in the NPI registry under dermatology. Keegan graduated from Geisel School of Medicine at Dartmouth in 2021. Medicare claims data shows Keegan provided 25 services to 25 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and destruction of precancer skin growth, 1 growth. NPI 1821675117 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6600 BRUCEVILLE RD
Sacramento, CA 95823
9201 Big Horn Blvd
Elk Grove, CA 95758
10725 International Dr
Rancho Cordova, CA 95670
1 Quality Dr
Vacaville, CA 95688
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
25 services · 25 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
12 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
13 | Less often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. O'Hern is a dermatologist (skin doctor) in Sacramento, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Dr. O'Hern is listed at 6600 Bruceville Rd, Sacramento, CA 95823. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (916) 688-2045. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. O'Hern's National Provider Identifier is 1821675117. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. O'Hern attended Geisel School of Medicine at Dartmouth, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
Dr. O'Hern has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. O'Hern performs procedures including destruction of precancer skin growth, 1 growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Hern. If this is you, claiming it is free.
Guide.md
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