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HELEN PATZANAKIDIS M.D.
NPI 1639288368
Internal Medicine in Corona, CA

Active since August 29, 2006PECOS EnrolledAccepts Medicare Assignment
2250 S MAIN ST STE 104, CORONA, CA 92882(951) 737-1454(951) 737-1822 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Helen Patzanakidis M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HELEN PATZANAKIDIS M.D. (NPI 1639288368) is an individual internal medicine provider in Corona, California, licensed in California (A83624) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1639288368
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHELEN PATZANAKIDISCredential: M.D.
Location Address2250 S MAIN ST STE 104Corona, CA 92882-2538
Mailing Address2250 S Main St Ste 104Corona, CA 92882-2538 · (951) 737-1454 · Fax (951) 737-1822
Phone(951) 737-1454
Fax(951) 737-1822
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 29, 2006
Last NPPES UpdateJune 1, 2026
NPPES CertifiedJune 1, 2026
✔ NPI 1639288368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A83624
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2250 S MAIN ST STE 104, Corona, CA 92882
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Other Identifiers 1

OtherA83624CA · Lic #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Helen Patzanakidis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224196464
PECOS Enrollment IDI20081016000555
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
279 services132 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
204 services114 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
128 services128 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
82 services52 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
26 services26 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
24 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92882 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$14.89 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers22 claims22 services$25.84 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier23 claims23 services$64.13 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$26.54 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AYLA NICOLE SZMURLO PA
Physician Assistant (Medical)
2250 S MAIN ST STE 104
CORONA, CA 92882
Riverside County (951) 737-1454
TANYA NANAYAKKARA M.D.
Family Medicine
2250 S MAIN ST STE 104
CORONA, CA 92882
Riverside County (951) 737-1454
STACY HALDERMAN FNP-C
Nurse Practitioner (Family)
2250 S MAIN ST STE 104
CORONA, CA 92882
Riverside County (951) 737-1454
MR. AMIN ATTIA MD
Internal Medicine (Rheumatology)
2250 S MAIN ST STE 104
CORONA, CA 92882
Riverside County (951) 734-3233

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Helen Patzanakidis's NPI number?

The NPI number for Helen Patzanakidis is 1639288368. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is Helen Patzanakidis located?

Helen Patzanakidis practices at 2250 S Main St Ste 104, Corona, CA 92882. The listed phone number is (951) 737-1454.

What is Helen Patzanakidis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Helen Patzanakidis enrolled in Medicare?

Yes. Helen Patzanakidis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Helen Patzanakidis was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.