Doctor profile · Federal record

Dr. John Zaro, DO

Family Medicine Physician (CMS: Internal Medicine) · Family Medicine Physician · Norristown, PA

  • NPI 1720096571
  • Accepts Medicare
  • 50 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1555 W Main St
Norristown, PA 194033276
(610) 631-6901
fax (610) 631-6904
Mailing address
1414 Boyer Blvd
Norristown, PA 194012645

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Pennsylvania #OS-3768L · New Jersey #25MB07608900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720096571. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
636
Distinct HCPCS
10
Medicare allowed
$38,627
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 163 49 $133
96372 Injection of drug or substance under skin or into muscle 113 37 $15
J1040 Injection, methylprednisolone acetate, 80 mg 70 34 $12
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 56 19 $26
99213 Established patient office or other outpatient visit, 20-29 minutes 52 30 $94
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 51 49 $76
G0008 Administration of influenza virus vaccine 51 49 $29
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 50 15 $1
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 18 18 $134
G0444 Annual depression screening, 5 to 15 minutes 12 12 $19

In context: peer comparison

Among 8 peers in this city , average services per provider: 55. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$234
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $123.58
Novo Nordisk Inc 2 $33.87
Lilly USA, LLC 2 $33.00
Axsome Therapeutics, Inc. 1 $14.84
Almatica Pharma LLC 1 $14.56
Kowa Pharmaceuticals America, Inc. 1 $13.72

By nature of payment

Food and Beverage
$234

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
540
Patients
86
Total drug cost
$14,299
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 83 26 $2,320
Bisoprolol-Hydrochlorothiazide (Bisoprolol/Hydrochlorothiazide) Brand 61 18 $2,440
Ramipril Generic 50 15 $641
Gabapentin Generic 39 15 $833
Pravastatin Sodium Generic 39 12 $437
Levothyroxine Sodium Generic 33 0 $586
Atorvastatin Calcium Generic 32 0 $282
Duloxetine Hcl Generic 32 0 $1,135
Lisinopril Generic 30 0 $549
Bisoprolol Fumarate Generic 27 0 $1,291

Frequently asked questions

Auto-generated from federal data
What is Dr. John Zaro's medical specialty?
Dr. John Zaro practices Family Medicine Physician in Norristown, PA.
Where does Dr. John Zaro practice?
Dr. John Zaro practices at 1555 W Main St, Norristown, PA 194033276. Office phone: 6106316901.
What is Dr. John Zaro's NPI?
Dr. John Zaro's National Provider Identifier (NPI) is 1720096571, issued by NPPES.
Does Dr. John Zaro accept Medicare assignment?
Yes. Dr. John Zaro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Zaro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372); Injection, methylprednisolone acetate, 80 mg (HCPCS J1040). Source: CMS Medicare Physician & Other Practitioners file.