MARYANN DIAZ PAGULAYAN-SY M.D.
NPI 1700961364
Internal Medicine in Porterville, CA

Active since October 25, 2006PECOS EnrolledAccepts Medicare Assignment
198 W CHERRY AVE, UNIT A, PORTERVILLE, CA 93257(559) 781-7980(559) 788-0544 Get Directions Write a Review

NPPES record last updated: November 14, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Maryann Diaz Pagulayan-sy M.d. NPPES

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

MARYANN DIAZ PAGULAYAN-SY M.D. (NPI 1700961364) is an individual internal medicine provider in Porterville, California, licensed in California (A56170) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1700961364
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARYANN DIAZ PAGULAYAN-SYCredential: M.D.
Location Address198 W CHERRY AVE, UNIT APorterville, CA 93257-3506
Mailing Address198 W Cherry Ave, Unit APorterville, CA 93257-3506 · (559) 781-7980 · Fax (559) 788-0544
Fax(559) 788-0544
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateOctober 25, 2006
Last NPPES UpdateNovember 14, 2021
NPPES CertifiedNovember 14, 2021
NPI 1700961364 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 · A56170
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.
198 W CHERRY AVE, Porterville, CA 93257

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

Maryann Diaz Pagulayan-sy 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 ID1052336492
PECOS Enrollment IDI20051013001023
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

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.
687 services95 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93257 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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 7

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
9 suppliers29 claims60 services$6.48 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers17 claims18 services$1.09 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier26 claims26 services$3.06 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
2 suppliers45 claims45 services$56.98 avg. paid by Medicare
Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605
DME-Drugs Administered Through DME · category DG006N
1 supplier12 claims720 services$4.41 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
4 suppliers27 claims27 services$181.41 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 3

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

Otolaryngology
198 W CHERRY AVE, SUITE A
PORTERVILLE, CA 93257
Otolaryngology
198 W CHERRY AVE, SUITE A
PORTERVILLE, CA 93257
Internal Medicine
198 W CHERRY AVE, UNIT A
PORTERVILLE, CA 93257

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 Maryann Pagulayan-sy's NPI number?

The NPI number for Maryann Pagulayan-sy is 1700961364. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Maryann Pagulayan-sy located?

Maryann Pagulayan-sy practices at 198 W Cherry Ave Unit A, Porterville, CA 93257. The listed phone number is (559) 781-7980.

What is Maryann Pagulayan-sy's specialty?

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

Is Maryann Pagulayan-sy enrolled in Medicare?

Yes. Maryann Pagulayan-sy 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 Maryann Pagulayan-sy was last updated on November 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.