Physician Profile
Based in San Luis Obispo, CA, Aaron D. Kromhout, M.D. is listed in the NPI registry under obstetrics. Aaron graduated from University of California, San Diego School of Medicine in 1997. According to Medicare claims data, Aaron cared for 40 Medicare patients across 44 services. 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 annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1551 BISHOP ST STE B240
San Luis Obispo, CA 93401
1941 Johnson Ave Suite 202
San Luis Obispo, CA 93401
44 services · 40 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
28 | As often as other peers in Obstetrics |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
16 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Aaron D. Kromhout is an obstetrics in San Luis Obispo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Aaron D. Kromhout is listed at 1551 Bishop St Ste B240, San Luis Obispo, CA 93401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 549-0402. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Aaron D. Kromhout's National Provider Identifier is 1093717472. 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
Aaron D. Kromhout attended University of California, San Diego School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Aaron D. Kromhout has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Aaron D. Kromhout the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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 Aaron D. Kromhout. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.