Doctor profile · Federal record

Dr. Marta Onyskiv, M.D.

Family Medicine Physician (CMS: Family Practice) · Boston, MA

  • NPI 1619081510
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Washington Street, Box 1013
Boston, MA 02111
(617) 636-5000

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 4, 2013
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #226897
Medicaid
MA #110074033A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619081510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
403
Distinct HCPCS
8
Medicare allowed
$46,799
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 204 160 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 93 84 $100
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 31 31 $142
G0444 Annual depression screening, 5 to 15 minutes 23 23 $21
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $182
83036 Hemoglobin a1c level 13 13 $10
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 12 12 $69
G0008 Administration of influenza virus vaccine 11 11 $34

In context: peer comparison

Among 42 peers in this city , average services per provider: 53. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$109
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 2 $52.05
ABBVIE INC. 2 $38.26
Merck Sharp & Dohme LLC 1 $18.39

By nature of payment

Food and Beverage
$109

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
692
Patients
316
Total drug cost
$10,015
Drug Type Claims Patients Total cost
Lisinopril Generic 93 42 $683
Atorvastatin Calcium Generic 89 48 $1,808
Amlodipine Besylate Generic 81 30 $794
Levothyroxine Sodium Generic 59 30 $594
Omeprazole Generic 52 28 $1,511
Simvastatin Generic 48 23 $930
Gabapentin Generic 42 14 $625
Losartan Potassium Generic 35 14 $581
Metformin Hcl Generic 32 18 $452
Metoprolol Succinate Generic 32 12 $414

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marta Onyskiv's medical specialty?
Dr. Marta Onyskiv practices Family Medicine Physician in Boston, MA.
Where does Dr. Marta Onyskiv practice?
Dr. Marta Onyskiv practices at 800 Washington Street, Boston, MA 02111. Office phone: 6176365000.
What is Dr. Marta Onyskiv's NPI?
Dr. Marta Onyskiv's National Provider Identifier (NPI) is 1619081510, issued by NPPES.
Does Dr. Marta Onyskiv accept Medicare assignment?
Yes. Dr. Marta Onyskiv accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marta Onyskiv 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.