Doctor profile · Federal record

Dr. Isaac Gorbaty, M.D.

Nephrology Physician (CMS: Nephrology) · Geriatric Medicine (Internal Medicine) Physician · Tarzana, CA

  • NPI 1477562718
  • Accepts Medicare
  • MIPS 45.9 / 100 · 2023
  • 52 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18411 Clark Street, 206
Tarzana, CA 91356
(818) 708-3143
fax (818) 708-3146

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #G33719
Medicaid
CA #G33719

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477562718. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,976
Distinct HCPCS
10
Medicare allowed
$178,056
HCPCS Description Services Patients Avg allowed
81002 Urinalysis, manual test 395 181 $3
85018 Blood count, hemoglobin 394 176 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 394 157 $139
85013 Red blood cell hemoglobin concentration 392 175 $7
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated 392 174 $4
36410 Insertion of needle into vein (3 years or older) 390 172 $19
82044 Urine microalbumin (protein) analysis 386 179 $6
82570 Creatinine level to test for kidney function or muscle injury 367 176 $5
83037 Hemoglobin a1c level, by device for home use 354 168 $10
80061 Blood test, lipids (cholesterol and triglycerides) 275 134 $13

In context: peer comparison

Among 4 peers in Tarzana Nephrology Physician, average services per provider: 227. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$167
Transactions
6
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Madrigal Pharmaceuticals 1 $36.94
Travere Therapeutics, INC. 1 $32.51
AstraZeneca Pharmaceuticals Lp 1 $28.60
Amgen INC. 1 $28.30
Sanofi-Aventis U.S. LLC 1 $26.57
Pfizer INC. 1 $13.65

By nature of payment

Food and Beverage
$167

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,346
Patients
644
Total drug cost
$37,605
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 283 68 $5,212
Levothyroxine Sodium Generic 264 64 $4,777
Amlodipine Besylate Generic 230 56 $2,420
Losartan Potassium Generic 181 49 $3,483
Metformin Hcl Generic 162 44 $1,824
Omeprazole Generic 149 44 $3,704
Alprazolam Generic 148 34 $1,850
Furosemide Generic 144 35 $2,004
Potassium Chloride Generic 130 32 $2,535
Tamsulosin Hcl Generic 123 27 $2,552

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Isaac Gorbaty's medical specialty?
Dr. Isaac Gorbaty practices Nephrology Physician in Tarzana, CA.
Where does Dr. Isaac Gorbaty practice?
Dr. Isaac Gorbaty practices at 18411 Clark Street, Tarzana, CA 91356. Office phone: 8187083143.
What is Dr. Isaac Gorbaty's NPI?
Dr. Isaac Gorbaty's National Provider Identifier (NPI) is 1477562718, issued by NPPES.
Does Dr. Isaac Gorbaty accept Medicare assignment?
Yes. Dr. Isaac Gorbaty accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isaac Gorbaty commonly perform?
Top Medicare-reported procedures in 2023: Urinalysis, manual test (HCPCS 81002); Blood count, hemoglobin (HCPCS 85018); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.