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CHI LUN PUI M.D.
NPI 1023402252
Internal Medicine in Edinburg, TX

Active since March 25, 2015PECOS EnrolledAccepts Medicare Assignment
2821 MICHAEL ANGELO, STE. 400, EDINBURG, TX 78539(956) 362-3553 Get Directions Write a Review

NPPES record last updated: February 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 20, 2025, May 16, 2025, Jan 2, 2024 (3 updates tracked since 2024).

About Chi Lun Pui M.d. NPPES

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

CHI LUN PUI M.D. (NPI 1023402252) is an individual internal medicine provider in Edinburg, Texas, licensed in Texas (BP10052373) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with St Joseph Regional Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1023402252
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHI LUN PUICredential: M.D.
Location Address2821 MICHAEL ANGELO, STE. 400Edinburg, TX 78539-1404
Mailing Address2102 Treasure Hills Blvd, #3.144.05Harlingen, TX 78550-8736 · (956) 296-1437 · Fax (956) 296-1326
Phone(956) 362-3553
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMarch 25, 2015
Last NPPES UpdateFebruary 20, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 20, 2026
✔ NPI 1023402252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · BP10052373✔ Licensed in WA · MD60862146✔ Licensed in OR · MD187807✔ Licensed in AZ · 79916
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.
2821 MICHAEL ANGELO, Edinburg, TX 78539
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Secondary Practice Locations 4

Location 194220 4th StGold Beach, OR 97444-7756 · Phone (541) 247-3000
Location 21221 Highland AveClarkston, WA 99403-2829 · Phone (303) 390-1940
Location 35880 S Hospital DrGlobe, AZ 85501-9447 · Phone (303) 390-1940
Location 41000 3rd StTillamook, OR 97141-3430 · Phone (503) 842-4444

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

Chi Lun Pui 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 ID4183919780
PECOS Enrollment IDI20181216000010, I20181216000011, I20260306001726
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.

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.
652 services272 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.
268 services251 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
229 services219 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
124 services52 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.
56 services33 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
44 services42 patients

Hospital Affiliations CMS Care Compare 4

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

St Joseph Regional Medical Center

Acute Care Hospitals · Lewiston, ID
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number130003
Location415 Sixth StreetLewiston, ID 83501 · Nez Perce County
Emergency services Birthing friendly

Adventist Health Tillamook

Critical Access Hospitals · Tillamook, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number381317
Location1000 Third StreetTillamook, OR 97141 · Tillamook County
Emergency services

Prov Sacred Hrt Med Ctr & Childs Hosp.

Acute Care Hospitals · Spokane, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500054
Location101 West 8th AvenueSpokane, WA 99204 · Spokane County
Emergency services Birthing friendly

Tri-State Memorial Hospital

Critical Access Hospitals · Clarkston, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number501332
Location1221 Highland AvenueClarkston, WA 99403 · Asotin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78539 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.

Referred Medical Equipment & Supplies CMS DME claims 2

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
8 suppliers90 claims91 services$18.00 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
8 suppliers96 claims98 services$97.69 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 7

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

ALBERTO A PENA MDPA
Colon & Rectal Surgery
2821 MICHAEL ANGELO, SUITE 401
EDINBURG, TX 78539
Hidalgo County (956) 682-8700
JORGE A ORTEGON MD PA
Internal Medicine (Rheumatology)
2821 MICHAEL ANGELO, SUITE 300
EDINBURG, TX 78539
Hidalgo County (956) 630-1225
RODOLFO M. LOZANO MD
Obstetrics & Gynecology
2821 MICHAEL ANGELO, STE 100
EDINBURG, TX 78539
Hidalgo County (956) 683-6073
DR. GLORIA MIRELES M.D.
Psychiatry & Neurology (Neurology)
2821 MICHAEL ANGELO, STE. 306
EDINBURG, TX 78539
Hidalgo County (956) 362-2440
DR. LAUREN BROOKE NAYLOR M.D.
Pediatrics
2821 MICHAEL ANGELO, SUITE 102
EDINBURG, TX 78539
Hidalgo County (956) 686-6100
WOMEN'S HEALTH INSTITUTE OF SOUTH TEXAS
Obstetrics & Gynecology
2821 MICHAEL ANGELO, SUITE 100
EDINBURG, TX 78539
Hidalgo County (956) 683-6073
OVIDIU DULGHERU MD PA
Psychiatry & Neurology (Psychiatry)
2821 MICHAEL ANGELO, SUITE 402
EDINBURG, TX 78539
Hidalgo County (956) 686-3220

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 Chi Lun Pui's NPI number?

The NPI number for Chi Lun Pui is 1023402252. It was assigned to this individual provider in the NPPES registry on March 25, 2015.

Where is Chi Lun Pui located?

Chi Lun Pui practices at 2821 Michael Angelo Ste. 400, Edinburg, TX 78539. The listed phone number is (956) 362-3553.

What is Chi Lun Pui's specialty?

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

Is Chi Lun Pui enrolled in Medicare?

Yes. Chi Lun Pui 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.

Is Chi Lun Pui affiliated with any hospitals?

According to CMS data, Chi Lun Pui is affiliated with St Joseph Regional Medical Center, Adventist Health Tillamook, Prov Sacred Hrt Med Ctr & Childs Hosp. and Tri-State Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Chi Lun Pui was last updated on February 20, 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.