NYAN WAI PHYO MD
NPI 1669786042
Internal Medicine - Nephrology in Mcallen, TX

Active since July 28, 2010PECOS EnrolledAccepts Medicare Assignment
11.75/100
CMS Quality Rating
110 E. SAVANNAH AVE., BLDG. C SUITE 201, MCALLEN, TX 78503(956) 800-1820(956) 552-6882 Get Directions Write a Review

NPPES record last updated: March 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 4, 2026, Dec 19, 2017, Aug 15, 2016 and 1 more (4 updates tracked since 2016).

About Nyan Wai Phyo Md NPPES

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

NYAN WAI PHYO MD (NPI 1669786042) is an individual nephrology provider in Mcallen, Texas, licensed in Texas (Q4249) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with South Texas Health System, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1669786042
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameNYAN WAI PHYOCredential: MD
Location Address110 E. SAVANNAH AVE., BLDG. C SUITE 201Mcallen, TX 78503
Mailing AddressPo Box 3247Mcallen, TX 78502-3247 · (956) 800-1820 · Fax (956) 552-6882
Fax(956) 552-6882
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 28, 2010
Last NPPES UpdateMarch 4, 20264 updates tracked since enumeration
NPPES CertifiedMarch 4, 2026
NPI 1669786042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in TX · Q4249
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License P25318 (MD)
110 E. SAVANNAH AVE., Mcallen, TX 78503

Other Identifiers 3

Other351937302TX · Medicaid-cshcn
Medicaid351937301TX
Other435418AQ1JTX · Medicare

Accepted Insurance

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

Nyan Wai Phyo Md 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 ID6608183041
PECOS Enrollment IDI20150916002689
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 12

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
937 services169 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
593 services92 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.
365 services107 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
179 services80 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.
123 services66 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
93 services86 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

South Texas Health System

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450119
Location1102 W Trenton RoadEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Knapp Medical Center

Acute Care Hospitals · Weslaco, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450128
Location1401 East Eight StreetWeslaco, TX 78596 · Hidalgo County
Emergency services Birthing friendly

Mission Regional Medical Center

Acute Care Hospitals · Mission, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450176
Location900 South Bryan RoadMission, TX 78572 · Hidalgo County
Birthing friendly

Rio Grande Regional Hospital

Acute Care Hospitals · Mcallen, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450711
Location101 E Ridge RdMcallen, TX 78503 · Hidalgo County
Emergency services Birthing friendly

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipPhysician
CMS Certification Number450869
Location5501 South MccollEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78503 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

11.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost39.17

Referred Medical Equipment & Supplies CMS DME claims 3

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers11 claims2,310 services$0.33 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier13 claims1,560 services$0.20 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
1 supplier14 claims14 services$12.63 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

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

Nurse Practitioner (Acute Care)
110 E. SAVANNAH AVE., BLDG B STE 203
MCALLEN, TX 78503

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 Nyan Phyo's NPI number?

The NPI number for Nyan Phyo is 1669786042. It was assigned to this individual provider in the NPPES registry on July 28, 2010.

Where is Nyan Phyo located?

Nyan Phyo practices at 110 E. Savannah Ave. Bldg. C Suite 201, Mcallen, TX 78503. The listed phone number is (956) 800-1820.

What is Nyan Phyo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Nyan Phyo enrolled in Medicare?

Yes. Nyan Phyo 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.

What insurance does Nyan Phyo accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare and UnitedHealthcare list Nyan Phyo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nyan Phyo affiliated with any hospitals?

According to CMS data, Nyan Phyo is affiliated with South Texas Health System, Knapp Medical Center, Mission Regional Medical Center, Rio Grande Regional Hospital and Doctors Hosptal At Renaissance.

When was this NPI record last updated?

The NPPES record for Nyan Phyo was last updated on March 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.