Doctor profile · Federal record

Dr. Michael Blumenkrantz, M.D.

Nephrology Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1619984234
  • Accepts Medicare
  • 58 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2080 Century Park E, Suite 1207
Los Angeles, CA 900672015
(310) 289-9824
fax (310) 277-3659

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 16, 2013
Year of graduation
1968 — 58 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #G17734
Medicaid
CA #00G177341

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619984234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
291
Distinct HCPCS
3
Medicare allowed
$29,525
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 207 58 $139
36415 Insertion of needle into vein for collection of blood sample 70 43 $8
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 14 12 $16

In context: peer comparison

Among 51 peers in Los Angeles Nephrology Physician, average services per provider: 251. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$210
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $65.93
Ardelyx, INC. 2 $61.66
Bayer Healthcare Pharmaceuticals INC. 2 $48.23
AstraZeneca Pharmaceuticals Lp 1 $34.16

By nature of payment

Food and Beverage
$210

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
633
Patients
98
Total drug cost
$145,763
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 170 46 $3,910
Levothyroxine Sodium Generic 63 15 $997
Lisinopril Generic 51 12 $635
Allopurinol Generic 50 14 $775
Amlodipine Besylate Generic 34 11 $469
Tamsulosin Hcl Generic 33 0 $366
Ozempic (Semaglutide) Brand 32 0 $58,693
Ezetimibe Generic 29 0 $1,239
Furosemide Generic 29 0 $457
Omeprazole Generic 27 0 $857

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Blumenkrantz's medical specialty?
Dr. Michael Blumenkrantz practices Nephrology Physician in Los Angeles, CA.
Where does Dr. Michael Blumenkrantz practice?
Dr. Michael Blumenkrantz practices at 2080 Century Park E, Los Angeles, CA 900672015. Office phone: 3102899824.
What is Dr. Michael Blumenkrantz's NPI?
Dr. Michael Blumenkrantz's National Provider Identifier (NPI) is 1619984234, issued by NPPES.
Does Dr. Michael Blumenkrantz accept Medicare assignment?
Yes. Dr. Michael Blumenkrantz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Blumenkrantz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.