Doctor profile · Federal record

Dr. Zachary Mashaw, MD

Family Medicine Physician (CMS: Family Practice) · Ogdensburg, NY

  • NPI 1912499146
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
921 State St
Ogdensburg, NY 136693347
(315) 393-9268
fax (315) 393-3541

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
April 11, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New York #304188

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912499146. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,201
Distinct HCPCS
10
Medicare allowed
$435,797
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,595 650 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 967 477 $86
36415 Insertion of needle into vein for collection of blood sample 682 490 $8
83036 Hemoglobin a1c level 629 257 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 591 591 $123
G0444 Annual depression screening, 5 to 15 minutes 563 563 $18
90756 Influenza vaccine, quadrivalent derived from cell cultures 201 201 $32
G0008 Administration of influenza virus vaccine 200 200 $29
93793 Anticoagulant management of patient taking warfarin 106 12 $11
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 88 80 $50

In context: peer comparison

Among 2 peers in Ogdensburg Family Medicine Physician, average services per provider: 184. This provider delivers 34× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,327
Transactions
64
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 14 $355.67
Novo Nordisk INC 13 $194.88
Lilly USA, LLC 12 $191.80
Boehringer Ingelheim Pharmaceuticals, INC. 6 $121.21
Ucb, INC. 4 $113.11
Phathom Pharmaceuticals, INC. 3 $76.88
Exact Sciences Corporation 4 $76.56
Amgen INC. 1 $31.25
Abbvie INC. 1 $25.35
Merck Sharp & Dohme LLC 1 $20.48
Mylan Specialty L.P. 1 $20.22
Astellas Pharma US INC 1 $18.84
Axsome Therapeutics, INC. 1 $18.33
GlaxoSmithKline, LLC. 1 $18.08
Pharming Healthcare, INC. 1 $15.67

By nature of payment

Food and Beverage
$1,327

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,709
Patients
783
Total drug cost
$175,404
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 359 98 $4,170
Losartan Potassium Generic 244 67 $3,078
Omeprazole Generic 236 69 $2,868
Amlodipine Besylate Generic 221 70 $1,312
Lisinopril Generic 196 55 $1,814
Rosuvastatin Calcium Generic 187 56 $3,980
Pantoprazole Sodium Generic 183 58 $3,436
Gabapentin Generic 182 49 $4,290
Metformin Hcl Generic 151 46 $1,531
Levothyroxine Sodium Generic 140 42 $3,878

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Mashaw's medical specialty?
Dr. Zachary Mashaw practices Family Medicine Physician in Ogdensburg, NY.
Where does Dr. Zachary Mashaw practice?
Dr. Zachary Mashaw practices at 921 State St, Ogdensburg, NY 136693347. Office phone: 3153939268.
What is Dr. Zachary Mashaw's NPI?
Dr. Zachary Mashaw's National Provider Identifier (NPI) is 1912499146, issued by NPPES.
Does Dr. Zachary Mashaw accept Medicare assignment?
Yes. Dr. Zachary Mashaw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Mashaw 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); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.