Doctor profile · Federal record
Dr. Aaron Kromhout, M.D.
Obstetrics Physician (CMS: Obstetrics/Gynecology) · San Luis Obispo, CA
- NPI 1093717472
- Accepts Medicare
- 29 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1551 Bishop St Ste B240
San Luis Obispo, CA 934014635
(805) 549-0402
fax (805) 549-0465 - Additional location
-
1941 Johnson Ave, Suite 202
San Luis Obispo, CA 934014140
(805) 548-0033
fax (805) 548-0034 - Mailing address
-
2050 S Blosser RD
Santa Maria, CA 934587310
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- October 1, 2024
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207VX0000X — NUCC code
- State license (1)
- California #A88432
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093717472. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
78
Distinct HCPCS
4
Medicare allowed
$9,279
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 28 | $94 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 15 | 15 | $170 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $116 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 13 | 13 | $134 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 31. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$55
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $30.97 | |
| Astellas Pharma US Inc | 1 | $23.54 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
238
Patients
51
Total drug cost
$24,484
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Progesterone (Progesterone, Micronized) | Brand | 93 | 23 | $3,600 |
| Estradiol | Generic | 65 | 15 | $9,739 |
| Yuvafem (Estradiol) | Brand | 28 | 13 | $5,957 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 22 | 0 | $2,283 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 18 | 0 | $575 |
| Lyllana (Estradiol) | Brand | 12 | 0 | $2,329 |
Frequently asked questions
What is Dr. Aaron Kromhout's medical specialty?
Dr. Aaron Kromhout practices Obstetrics Physician in San Luis Obispo, CA.
Where does Dr. Aaron Kromhout practice?
Dr. Aaron Kromhout practices at 1551 Bishop St Ste B240, San Luis Obispo, CA 934014635. Office phone: 8055490402.
What is Dr. Aaron Kromhout's NPI?
Dr. Aaron Kromhout's National Provider Identifier (NPI) is 1093717472, issued by NPPES.
Does Dr. Aaron Kromhout accept Medicare assignment?
Yes. Dr. Aaron Kromhout accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Kromhout commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS G0438); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.