Doctor profile · Federal record

Dr. Daniel Chen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA

  • NPI 1578598629
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 Massachusetts Ave, Crosstown 6A
Boston, MA 021182526
(617) 414-5951
fax (617) 414-9201
Mailing address
960 Massachusetts Ave, Fl 2
Boston, MA 021182690

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 26, 2023
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #224385
Medicaid
MA #110075760A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578598629. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
3
Medicare allowed
$12,476
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 86 58 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 31 27 $70
99443 Telephone medical discussion with physician, 21-30 minutes 13 13 $103

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,061
Patients
471
Total drug cost
$168,961
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 237 65 $4,361
Oxycodone Hcl Generic 219 26 $8,293
Omeprazole Generic 195 41 $4,746
Amlodipine Besylate Generic 177 52 $1,756
Hydrochlorothiazide Generic 158 48 $602
Lisinopril Generic 142 36 $1,628
Metoprolol Succinate Generic 140 30 $2,421
Metformin Hcl Generic 126 34 $1,434
Losartan Potassium Generic 118 34 $1,934
Gabapentin Generic 117 24 $2,231

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Chen's medical specialty?
Dr. Daniel Chen practices Internal Medicine Physician in Boston, MA.
Where does Dr. Daniel Chen practice?
Dr. Daniel Chen practices at 801 Massachusetts Ave, Boston, MA 021182526. Office phone: 6174145951.
What is Dr. Daniel Chen's NPI?
Dr. Daniel Chen's National Provider Identifier (NPI) is 1578598629, issued by NPPES.
Does Dr. Daniel Chen accept Medicare assignment?
Yes. Dr. Daniel Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Chen 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 99213); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.