Doctor profile · Federal record

Dr. Mariana Chemaly, MD

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

  • NPI 1811183056
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
45 Palmer St
Lowell, MA 018521834
(978) 970-1607
fax (978) 970-1115

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
January 18, 2012
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #238062

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811183056. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,528
Distinct HCPCS
10
Medicare allowed
$149,687
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 441 302 $138
99213 Established patient office or other outpatient visit, 20-29 minutes 337 257 $98
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 242 242 $142
G0444 Annual depression screening, 5 to 15 minutes 144 144 $21
83036 Hemoglobin a1c level 83 67 $9
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 65 57 $16
G0008 Administration of influenza virus vaccine 41 41 $31
90662 Influenza vaccine split virus, preservative free 36 36 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 25 25 $282
G0009 Administration of pneumococcal vaccine 24 24 $31

In context: peer comparison

Among 19 peers in Lowell Internal Medicine Physician, average services per provider: 121. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$146
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US INC 3 $100.80
Abbvie INC. 1 $22.62
Inspire Medical Systems, INC. 1 $22.18

By nature of payment

Food and Beverage
$146

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,265
Patients
995
Total drug cost
$62,186
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 472 151 $10,595
Amlodipine Besylate Generic 379 111 $4,091
Lisinopril Generic 333 111 $4,490
Omeprazole Generic 254 73 $5,082
Simvastatin Generic 248 72 $3,516
Levothyroxine Sodium Generic 237 71 $3,903
Metoprolol Succinate Generic 194 56 $5,386
Losartan Potassium Generic 171 55 $2,973
Gabapentin Generic 159 46 $3,247
Hydrochlorothiazide Generic 156 42 $668

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariana Chemaly's medical specialty?
Dr. Mariana Chemaly practices Internal Medicine Physician in Lowell, MA.
Where does Dr. Mariana Chemaly practice?
Dr. Mariana Chemaly practices at 45 Palmer St, Lowell, MA 018521834. Office phone: 9789701607.
What is Dr. Mariana Chemaly's NPI?
Dr. Mariana Chemaly's National Provider Identifier (NPI) is 1811183056, issued by NPPES.
Does Dr. Mariana Chemaly accept Medicare assignment?
Yes. Dr. Mariana Chemaly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariana Chemaly 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.