Physician Profile
Based in Pasadena, CA, Aaron Krug, M.D. is listed in the NPI registry under urology. Aaron graduated from University of Southern California Keck School of Medicine in 2017. According to Medicare claims data, Aaron cared for 318 Medicare patients across 365 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, ultrasound measurement of bladder capacity after voiding, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
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.
800 FAIRMOUNT AVE STE 412
Pasadena, CA 91105
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
Prostate
Urinary symptoms and infection
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Most searched procedures
Office diagnosis
Bladder procedures
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
Prostate
Prostate procedures
Stone procedures
365 services · 318 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
46 | Less often than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
28 | As often as other peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
25 | Less often than most peers in Urology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
22 | Less often than most peers in Urology |
| Injection, ceftriaxone sodium, per 250 mg | Drug given | J0696 |
21 | Less often than most peers in Urology |
| Injection, garamycin, gentamicin, up to 80 mg | Drug given | J1580 |
12 | Less often than most peers in Urology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
66 | Less often than most peers in Urology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
43 | As often as other peers in Urology |
| Automated urinalysis test | Lab test | 81003 |
40 | Less often than most peers in Urology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
36 | Less often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Aaron Krug is an urologist in Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Aaron Krug is listed at 800 Fairmount Ave Ste 412, Pasadena, CA 91105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (265) 440-3006. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Aaron Krug's National Provider Identifier is 1528590536. 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 Krug attended University of Southern California Keck School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Aaron Krug has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Aaron Krug performs procedures including ultrasound measurement of bladder capacity after voiding, electronic assessment of bladder emptying and diagnostic exam of bladder and urethra using an endoscope; provides treatments such as injection of drug or substance under skin or into muscle, 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 Aaron Krug. 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.