Doctor profile · Federal record

Dr. Najlla Nassery, MD

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

  • NPI 1578720546
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 726-7930
Additional location
15 Parkman St Fl 6
Boston, MA 021143117
fax (617) 724-0331
Mailing address
15 Parkman St Fl 6
Boston, MA 021143117

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
August 20, 2024
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #1018926

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578720546. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
147
Distinct HCPCS
4
Medicare allowed
$14,852
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 79 73 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 29 14 $126
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 27 27 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $67

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
539
Patients
82
Total drug cost
$12,755
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 106 30 $2,529
Amlodipine Besylate Generic 59 17 $585
Oxycodone Hcl Generic 44 0 $1,621
Lisinopril Generic 41 12 $588
Losartan Potassium Generic 38 12 $776
Metformin Hcl Generic 35 0 $860
Metoprolol Succinate Generic 34 0 $812
Levothyroxine Sodium Generic 31 0 $566
Pantoprazole Sodium Generic 28 11 $949
Furosemide Generic 24 0 $189

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Najlla Nassery's medical specialty?
Dr. Najlla Nassery practices Internal Medicine Physician in Boston, MA.
Where does Dr. Najlla Nassery practice?
Dr. Najlla Nassery practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177267930.
What is Dr. Najlla Nassery's NPI?
Dr. Najlla Nassery's National Provider Identifier (NPI) is 1578720546, issued by NPPES.
Does Dr. Najlla Nassery accept Medicare assignment?
Yes. Dr. Najlla Nassery accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Najlla Nassery commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.