DR. JOHN J ZIOMEK (MD) – Emergency Medicine Physician, NPI 1528095551

DR. JOHN J ZIOMEK (MD) is a healthcare provider. based in San clemente, California. specializing in FAMILY PRACTICE. They hold the professional credentials MD. They hold a License No. A43534 (CA). The NPI Number for DR. JOHN J ZIOMEK (MD) is 1528095551

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN J ZIOMEK (MD)
NPI
1528095551
Phone
(661) 378-6410
Address
227 TRAFALGAR LN
Enumeration Date
26 June 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
TULANE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2092876308
Graduation Year
1984 (42 years ago)
PAC ID
2860382850
Group Practice PAC ID
6103198460
Professional Enrollment ID
I20040315001557
Address ID
CA959322949CO173XXSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

13,194 FAMILY PRACTICE in CA

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Provider Addresses for DR. JOHN J ZIOMEK (MD)

  • 227, Trafalgar Lane, San Clemente, Orange County, California, 92672, United States

    SAN CLEMENTE, CA 926725482

    Phone: (661) 378-6410

    Type: Mailing

  • 2615, Eye Street, Bakersfield, Kern County, California, 93301, United States

    BAKERSFIELD, CA 933012006

    Phone: (661) 395-3000

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $16.

Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.

Last reported payment date: 2023-05-11 • Largest payer in this snapshot: Inari Medical, Inc. ($16).

Total Amount

$16

General + Research + Ownership

Payments

1

Total payment records

General Amount

$16

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-05-11

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Inari Medical, Inc.$16
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-03-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040315001557IFamily PracticeCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99285Emergency department visit with high level of medical decision making139133$0
93010Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only136120$0
99291Critical care, first 30-74 minutes3130$0
99284Emergency department visit with moderate level of medical decision making1919$0
View full utilization report →

Insurance plans in this area (ZIP 92672)

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Provider's Procedures

DR. JOHN J ZIOMEK (MD) performs procedures in FAMILY PRACTICE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
EMERGENCY MEDICINECA31500Emergent insertion of breathing tube into windpipe cartilage using an endoscope3636
EMERGENCY MEDICINECA93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report554457

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6103198460View full group profile
NameSpecialtyState
Family Practice, HospitalistCA
Pulmonary Disease, Critical Care (Intensivists)CA
Nurse PractitionerCA
Emergency Medicine, Internal MedicineCA
Internal MedicineCA
General Surgery, Emergency MedicineNM
H O S P I T A L I S TCA
Hospitalist, Internal MedicineCA
Nurse PractitionerMS
Internal MedicineCA

Reviews

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Frequently asked questions

Can I cross-check DR. JOHN J ZIOMEK (MD) using NPI 1528095551?
NPI 1528095551 belongs to DR. JOHN J ZIOMEK (MD); compare other details if you need extra assurance.
Active or inactive — what applies to DR. JOHN J ZIOMEK (MD)?
You should see DR. JOHN J ZIOMEK (MD) as active in CMS-hosted NPPES data.
How would a patient describe DR. JOHN J ZIOMEK (MD)'s focus?
For DR. JOHN J ZIOMEK (MD), the primary taxonomy reads as Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. JOHN J ZIOMEK (MD)?
Travel planning: use San Clemente, California as the reference point for DR. JOHN J ZIOMEK (MD), then confirm.
Can I trust this NPI listing for DR. JOHN J ZIOMEK (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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