Doctor profile · Federal record

Dr. Philip Knorr, M.D.

Urology Physician (CMS: Urology) · Freedom, CA

  • NPI 1801981485
  • Accepts Medicare
  • MIPS 90.6 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
160 Green Valley RD, Suite 203
Freedom, CA 950193160
(831) 728-4227
fax (831) 728-0410
Mailing address
65 Neilson St Ste 102
Watsonville, CA 950762491

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
February 21, 2020
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
California #G56315
Medicaid
CA #1437599032

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801981485. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,003
Distinct HCPCS
10
Medicare allowed
$154,200
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 688 396 $99
81002 Urinalysis, manual test 568 342 $3
J9217 Leuprolide acetate (for depot suspension), 7.5 mg 181 20 $165
96372 Injection of drug or substance under skin or into muscle 140 19 $15
99214 Established patient office or other outpatient visit, 30-39 minutes 96 79 $139
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 60 20 $39
99203 New patient office or other outpatient visit, 30-44 minutes 55 55 $122
76857 Limited ultrasound scan of pelvis 49 40 $56
52000 Diagnostic exam of bladder and urethra using an endoscope 43 39 $276
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $182

In context: peer comparison

Among 1 peers in Freedom Urology Physician, average services per provider: 125. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$87
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 3 $63.92
Boston Scientific Corporation 1 $22.89

By nature of payment

Food and Beverage
$87

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,063
Patients
665
Total drug cost
$238,276
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 664 204 $20,711
Finasteride Generic 497 154 $14,717
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 307 92 $18,144
Imipramine Hcl Generic 135 45 $3,574
Myrbetriq (Mirabegron) Brand 119 44 $139,007
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 55 23 $1,714
Oxybutynin Chloride Generic 48 18 $1,101
Ciprofloxacin Hcl Generic 38 34 $287
Elmiron (Pentosan Polysulfate Sodium) Brand 37 0 $32,022
Hydrocortisone Generic 36 14 $273

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Philip Knorr's medical specialty?
Dr. Philip Knorr practices Urology Physician in Freedom, CA.
Where does Dr. Philip Knorr practice?
Dr. Philip Knorr practices at 160 Green Valley RD, Freedom, CA 950193160. Office phone: 8317284227.
What is Dr. Philip Knorr's NPI?
Dr. Philip Knorr's National Provider Identifier (NPI) is 1801981485, issued by NPPES.
Does Dr. Philip Knorr accept Medicare assignment?
Yes. Dr. Philip Knorr accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Philip Knorr commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Urinalysis, manual test (HCPCS 81002); Leuprolide acetate (for depot suspension), 7.5 mg (HCPCS J9217). Source: CMS Medicare Physician & Other Practitioners file.