Doctor profile · Federal record

Dr. Clifford Risk, M.D., PH.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Legal Medicine · Marlborough, MA

  • NPI 1013029651
  • Accepts Medicare
  • MIPS 19.0 / 100 · 2023
  • 49 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 Bolton St, Suite 101
Marlborough, MA 017523980
(508) 481-4288
fax (508) 624-7228

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 14, 2014
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Massachusetts #47576
Medicaid
MA #6166164

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013029651. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,268
Distinct HCPCS
7
Medicare allowed
$144,090
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 659 186 $140
99442 Telephone medical discussion with physician, 11-20 minutes 243 58 $99
99213 Established patient office or other outpatient visit, 20-29 minutes 132 43 $100
96372 Injection of drug or substance under skin or into muscle 120 13 $16
99441 Telephone medical discussion with physician, 5-10 minutes 57 33 $62
99443 Telephone medical discussion with physician, 21-30 minutes 33 22 $140
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $182

In context: peer comparison

Among 2 peers in this city , average services per provider: 124. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,417
Transactions
64
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 24 $746.77
Amgen Inc. 18 $240.56
Regeneron Healthcare Solutions, Inc. 6 $131.48
GlaxoSmithKline, LLC. 6 $130.27
GENZYME CORPORATION 3 $79.29
Electromed, Inc. 4 $43.43
Mylan Specialty L.P. 2 $30.63
PFIZER INC. 1 $14.31

By nature of payment

Food and Beverage
$1,408
Education
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,418
Patients
284
Total drug cost
$83,531
Drug Type Claims Patients Total cost
Lisinopril Generic 150 37 $1,204
Lorazepam Generic 129 21 $1,651
Montelukast Sodium Generic 110 23 $1,880
Omeprazole Generic 96 19 $3,163
Furosemide Generic 95 20 $991
Prednisone Generic 93 39 $389
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 91 22 $2,731
Amlodipine Besylate Generic 89 22 $1,022
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 87 0 $2,456
Atorvastatin Calcium Generic 85 21 $1,508

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clifford Risk's medical specialty?
Dr. Clifford Risk practices Pulmonary Disease Physician in Marlborough, MA.
Where does Dr. Clifford Risk practice?
Dr. Clifford Risk practices at 320 Bolton St, Marlborough, MA 017523980. Office phone: 5084814288.
What is Dr. Clifford Risk's NPI?
Dr. Clifford Risk's National Provider Identifier (NPI) is 1013029651, issued by NPPES.
Does Dr. Clifford Risk accept Medicare assignment?
Yes. Dr. Clifford Risk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clifford Risk commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99442); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.