John Zaro, DO
NPI 1720096571 · Family Medicine Physician · Norristown, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Zaro, DO is a Family Medicine Physician provider in Norristown, PA (NPI 1720096571).
Provider details
- NPI number
- 1720096571
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS-3768L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
391 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 146 | $132 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 71 | $15 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 52 | $26 |
| Administration of Influenza Virus VaccineG0008 | 47 | $29 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $94 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 19 | $19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 83 | 26 |
| Ramipril | 58 | 16 |
| Pravastatin Sodium | 51 | 13 |
| Bisoprolol/Hydrochlorothiazidebrand: Bisoprolol-Hydrochlorothiazide | 51 | 15 |
| Duloxetine Hcl | 51 | — |
| Bisoprolol Fumarate | 42 | 11 |
| Lisinopril | 37 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$234 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Zaro's NPI number?
- John Zaro's National Provider Identifier (NPI) is 1720096571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zaro's specialty?
- John Zaro is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Zaro located?
- John Zaro's practice location on file with NPPES is 1555 W Main St, Norristown, PA 19403-3276.
- What is John Zaro's phone number?
- The practice phone number listed in the NPPES registry for John Zaro is (610) 631-6901.
- Does John Zaro accept Medicare?
- John Zaro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Zaro's NPI active?
- Yes — John Zaro's NPI (1720096571) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.