Doctor profile · Federal record

Dr. Andrew Zaager, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Plainview, NY

  • NPI 1770519977
  • Accepts Medicare
  • 44 yrs in practice
  • Licensed in 6 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
630 Old Country RD
Plainview, NY 118034909
(516) 937-1121
fax (516) 937-1126

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 12, 2019
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (6)
New York #155654 · North Carolina #2019-00955 · South Carolina #83125 · Texas #S4251 · Arkansas #E-12049 · Georgia #82305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770519977. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
237
Distinct HCPCS
3
Medicare allowed
$17,968
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 147 138 $76
99203 New patient office or other outpatient visit, 30-44 minutes 65 65 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 25 21 $76

In context: peer comparison

Among 11 peers in Plainview Internal Medicine Physician, average services per provider: 193. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
207
Patients
186
Total drug cost
$3,135
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 36 34 $510
Prednisone Generic 33 31 $109
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 28 24 $1,032
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 27 27 $273
Cephalexin Generic 19 19 $131
Doxycycline Hyclate Generic 15 15 $165
Montelukast Sodium Generic 13 0 $365
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 13 13 $144
Cefdinir Generic 12 12 $239
Fluconazole Generic 11 11 $169

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Zaager's medical specialty?
Dr. Andrew Zaager practices Internal Medicine Physician in Plainview, NY.
Where does Dr. Andrew Zaager practice?
Dr. Andrew Zaager practices at 630 Old Country RD, Plainview, NY 118034909. Office phone: 5169371121.
What is Dr. Andrew Zaager's NPI?
Dr. Andrew Zaager's National Provider Identifier (NPI) is 1770519977, issued by NPPES.
Does Dr. Andrew Zaager accept Medicare assignment?
Yes. Dr. Andrew Zaager accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Zaager commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.