MAXIMILIANO HYON D.O.
NPI 1942626767
Internal Medicine - Endocrinology, Diabetes & Metabolism in Fullerton, CA

Q: What is Maximiliano Hyon's NPI number?

The NPI number for Maximiliano Hyon is 1942626767. It was assigned to this individual provider in the NPPES registry on March 17, 2014.

Q: What is Maximiliano Hyon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Maximiliano Hyon was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 17, 2014PECOS EnrolledAccepts Medicare Assignment

97.12/100

CMS Quality Rating

100 E VALENCIA MESA DR STE 105, FULLERTON, CA 92835(714) 446-5640(714) 446-5625 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 16, 2026, Jan 10, 2018, Feb 12, 2016 and 1 more (4 updates tracked since 2016).

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About Maximiliano Hyon D.o. NPPES

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

MAXIMILIANO HYON D.O. (NPI 1942626767) is an individual endocrinology, diabetes & metabolism provider in Fullerton, California, licensed in California (20A13210) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1942626767

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameMAXIMILIANO HYONCredential: D.O.

Location Address100 E VALENCIA MESA DR STE 105Fullerton, CA 92835-3816

Mailing Address2550 W Main St Ste 301Alhambra, CA 91801-7003 · (626) 457-6900

Phone(714) 446-5640

Fax(714) 446-5625

Sole ProprietorYes

Medical School CMSOtherGraduated 2012

Enumeration DateMarch 17, 2014

Last NPPES UpdateJanuary 16, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 16, 2026

✔ NPI 1942626767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in CA · 20A13210

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 20A13210 (CA)

100 E VALENCIA MESA DR STE 105, Fullerton, CA 92835

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Secondary Practice Location 1

Location 11414 S Grand Ave Ste 456Los Angeles, CA 90015-3071 · Phone (213) 745-6047 · Fax (213) 748-9715

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

Maximiliano Hyon D.o. 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 ID5092010827

PECOS Enrollment IDI20180315002579

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 7

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 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.

268 services128 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

117 services80 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

111 services49 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

74 services39 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

52 services47 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

37 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92835 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.12/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

84.24

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 6

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

25 suppliers94 claims224 services$6.36 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

19 suppliers48 claims55 services$1.08 avg. paid by Medicare

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$12.38 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 supplier12 claims12 services$56.19 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

7 suppliers106 claims106 services$182.56 avg. paid by Medicare

Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554

DME-Other DME · category DE017N

6 suppliers12 claims12 services$165.63 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 6

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

MICHAEL KUO MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)