Doctor profile · Federal record

Dr. Michael Duffy, M.D.

Specialist (CMS: Internal Medicine) · Beverly Hills, CA

  • NPI 1689635328
  • Accepts Medicare
  • MIPS 8.1 / 100 · 2023
  • 41 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9400 Brighton Way, Suite 201
Beverly Hills, CA 902104714
(310) 271-6229
fax (310) 271-9139
Mailing address
99 N la Cienega Blvd, Suite 103
Beverly Hills, CA 902112222

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #G59599
Medicaid
CA #00G595992

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689635328. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,901
Distinct HCPCS
10
Medicare allowed
$117,285
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 245 115 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 176 148 $194
99213 Established patient office or other outpatient visit, 20-29 minutes 157 87 $98
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 145 121 $16
80053 Blood test, comprehensive group of blood chemicals 132 114 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 129 111 $8
80061 Blood test, lipids (cholesterol and triglycerides) 121 109 $13
82977 Glutamyltransferase (liver enzyme) level 116 107 $7
84550 Uric acid level, blood 116 107 $4
84443 Blood test, thyroid stimulating hormone (tsh) 109 101 $16

In context: peer comparison

Among 14 peers in this city , average services per provider: 656. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,100
Transactions
47
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 11 $195.52
Novartis Pharmaceuticals Corporation 8 $163.22
Amgen Inc. 7 $142.47
Lexicon Pharmaceuticals, Inc. 1 $120.84
Lilly USA, LLC 4 $90.41
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $84.52
PFIZER INC. 3 $76.58
Exact Sciences Corporation 3 $62.58
RECORDATI_RARE_DISEASES_INC. 1 $24.16
HEARTFLOW, INC. 1 $23.90
AstraZeneca Pharmaceuticals LP 1 $21.24
Intra-Sana Laboratories 1 $20.60
GlaxoSmithKline, LLC. 1 $20.20
Merck Sharp & Dohme LLC 1 $19.08
Boston Scientific Corporation 1 $19.01

By nature of payment

Food and Beverage
$1,100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,321
Patients
335
Total drug cost
$77,283
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 309 81 $3,943
Levothyroxine Sodium Generic 110 30 $2,221
Amlodipine Besylate Generic 99 29 $1,202
Olmesartan Medoxomil Generic 88 24 $3,007
Rosuvastatin Calcium Generic 86 27 $2,972
Losartan Potassium Generic 80 25 $1,213
Zolpidem Tartrate Generic 78 18 $821
Alprazolam Generic 70 16 $563
Eliquis (Apixaban) Brand 68 12 $51,941
Hydrochlorothiazide Generic 63 19 $319

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Duffy's medical specialty?
Dr. Michael Duffy practices Specialist in Beverly Hills, CA.
Where does Dr. Michael Duffy practice?
Dr. Michael Duffy practices at 9400 Brighton Way, Beverly Hills, CA 902104714. Office phone: 3102716229.
What is Dr. Michael Duffy's NPI?
Dr. Michael Duffy's National Provider Identifier (NPI) is 1689635328, issued by NPPES.
Does Dr. Michael Duffy accept Medicare assignment?
Yes. Dr. Michael Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Duffy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.