DR. DUC HONG PHAN M.D
NPI 1083946693
Internal Medicine in Houston, TX

Q: What is Duc Phan's NPI number?

The NPI number for Duc Phan is 1083946693. It was assigned to this individual provider in the NPPES registry on February 6, 2010.

Q: What is Duc Phan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Duc Phan was last updated on December 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 06, 2010PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

10603 BELLAIRE BLVD, B116, HOUSTON, TX 77072(832) 328-1437(832) 328-1443 Get Directions Write a Review

NPPES record last updated: December 6, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Duc Hong Phan M.d NPPES

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

DR. DUC HONG PHAN M.D (NPI 1083946693) is an individual internal medicine provider in Houston, Texas, licensed in Texas (P2340) and active in the NPI registry since February 2010. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of George Washington University School Of Medicine (2008).

NPPES Registry Identity

NPI1083946693

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. DUC HONG PHANCredential: M.D

Location Address10603 BELLAIRE BLVD, B116Houston, TX 77072-5222

Mailing Address15000 W Airport Blvd, 124Sugar Land, TX 77498-7238 · (281) 201-2347

Phone(832) 328-1437

Fax(832) 328-1443

Sole ProprietorYes

Medical School CMSGeorge Washington University School Of MedicineGraduated 2008

Enumeration DateFebruary 6, 2010

Last NPPES UpdateDecember 6, 2013

✔ NPI 1083946693 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 · P2340✔ Licensed in CA · A111050

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.

10603 BELLAIRE BLVD, Houston, TX 77072

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Duc Hong Phan 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 ID6507027356

PECOS Enrollment IDI20120424000506

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.

Medicare Billing Reassignment

Medicare enrollment records show Duc Phan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ally Healthcare Advocates, LLC

Same address

Internal Medicine

10603 BELLAIRE BLVD, SUITE 116B
Houston, TX 77072

Reassigned Medicare billing, Texas enrollment

NPI 1316293913 (832) 328-1437

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 31

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.

995 services252 patients

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.

314 services144 patients

Stool analysis for blood, by fecal hemoglobin determination by immunoassay 82274

A stool analysis for blood, or fecal hemoglobin determination by immunoassay, is a test that checks for hidden blood in your stool. This test helps identify potential issues in your digestive system. It involves collecting a small stool sample which is then analyzed in a lab for the presence of blood.

207 services195 patients

Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow G0181

This service involves a physician overseeing your care while you receive Medicare-covered services from a home health agency. The care you're receiving is complex and involves various disciplines. The physician isn't physically present but regularly supervises your treatment to ensure optimal health outcomes.

169 services31 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.

134 services134 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

89 services83 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

89 services83 patients

Physician documentation of face-to-face visit for durable medical equipment determination performed by nurse practitioner, physician assistant or clinical nurse specialist G0454

This procedure involves a medical professional, such as a nurse practitioner, conducting a face-to-face visit with a patient to assess the need for durable medical equipment. The physician then documents this visit and the assessment findings to determine the necessity of the equipment.

78 services48 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

74 services41 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

63 services60 patients

Advance care planning, each additional 30 minutes 99498

Advance care planning involves discussing and documenting your future health care preferences in case you're unable to make decisions for yourself. Each additional 30 minutes allows more time to explore your wishes, values, and goals for treatment.

63 services60 patients

Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 87637

This test identifies if you have COVID-19, influenza A or B, or respiratory syncytial virus. It uses a multiplex amplified probe technique, which amplifies and detects specific genetic material of the viruses, helping in accurate diagnosis.

57 services50 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

53 services20 patients

Infusion into a vein for hydration, each additional hour 96361

This procedure involves delivering fluids directly into your vein to keep your body hydrated. It is typically done when oral hydration is insufficient. Each additional hour means more fluid is infused to ensure adequate hydration.

48 services12 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

48 services12 patients

Multiple measurements of eye fluid pressure over an extended time period 92100

This procedure involves recording the pressure inside your eyes at different times throughout the day. By tracking these changes, it can help detect conditions like glaucoma early, which can prevent vision loss. It's painless and non-invasive.

42 services39 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

36 services27 patients

Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446

This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.

26 services26 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

25 services25 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

24 services23 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.

24 services24 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

17 services13 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

17 services12 patients

Infusion into a vein for hydration, 31-60 minutes 96360

This is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.

16 services12 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

16 services16 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

15 services15 patients

Pneumococcal vaccine, 23-valent 90732

The 23-valent pneumococcal vaccine is an injection that helps protect against serious infections caused by 23 types of pneumococcal bacteria. It's vital for those at risk, like older adults or people with certain health conditions, to prevent pneumonia, meningitis, and bloodstream infections.

14 services14 patients

Prolonged preventive service(s) (beyond the typical service time of the primary procedure), in the office or other outpatient setting requiring direct patient contact beyond the usual service; first 30 minutes (list separately in addition to code for preve G0513

Prolonged preventive service refers to an extended medical consultation or treatment beyond the usual time. This service, provided in an outpatient setting, involves direct patient contact for the first 30 minutes beyond the primary procedure. It's used when additional time is required to address preventive health needs.

14 services14 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.

13 services13 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

13 services13 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Hca Houston Healthcare West

Acute Care Hospitals · Houston, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450644

Location12141 Richmond AveHouston, TX 77082 · Harris County

Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450820

Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County

Emergency services Birthing friendly

Memorial Hermann Sugar Land Hospital

Acute Care Hospitals · Sugar Land, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450848

Location17500 W Grand Parkway SouthSugar Land, TX 77479 · Fort Bend County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77072 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

75/100

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

Individually scored

Reported Quality Measures

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

98%4,736 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

99%15,095 patients4/55-star benchmark: 100%

Falls: Screening for Future Fall Risk

Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period

93%776 patients4/55-star benchmark: 99%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

1%711 patients1/55-star benchmark: 98%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

98%313 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

97%605 patients4/55-star benchmark: 100%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen

74%1,207 patients4/55-star benchmark: 96%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

23%605 patients1/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

0%605 patients1/55-star benchmark: 79%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 8

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

12 suppliers48 claims119 services$6.55 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers25 claims30 services$1.15 avg. paid by Medicare

Appliance cleaner, incontinence and ostomy appliances, per 16 oz. A5131

DME-Orthotic Devices · category DF000N

1 supplier20 claims20 services$13.79 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier56 claims59 services$2.94 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

1 supplier11 claims11 services$35.87 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

2 suppliers15 claims15 services$12.25 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.

ALLY HEALTHCARE ADVOCATES, LLC

Internal Medicine

10603 BELLAIRE BLVD, SUITE 116B
HOUSTON, TX 77072

Harris County (832) 328-1437

VY NGUYEN

Nurse Practitioner (Family)

10603 BELLAIRE BLVD
HOUSTON, TX 77072

Harris County (832) 328-1437

TU MINH LA DENTAL PLLC

Dentist (General Practice)

10603 BELLAIRE BLVD, SUITE B-102
HOUSTON, TX 77072

Harris County (281) 495-9881

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 Duc Phan's NPI number?

The NPI number for Duc Phan is 1083946693. It was assigned to this individual provider in the NPPES registry on February 6, 2010.

Where is Duc Phan located?

Duc Phan practices at 10603 Bellaire Blvd B116, Houston, TX 77072. The listed phone number is (832) 328-1437.

What is Duc Phan's specialty?

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

Is Duc Phan enrolled in Medicare?

Yes. Duc Phan 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.

Which organization bills Medicare for Duc Phan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Duc Phan reassigns Medicare benefits to Ally Healthcare Advocates, LLC (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Duc Phan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Duc Phan accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Duc Phan 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 Duc Phan affiliated with any hospitals?

According to CMS data, Duc Phan is affiliated with Memorial Hermann Hospital System, Hca Houston Healthcare West, Houston Methodist Sugarland Hospital and Memorial Hermann Sugar Land Hospital.

When was this NPI record last updated?

The NPPES record for Duc Phan was last updated on December 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.