Dr. Phong Xuan Ngo, MD
- Medicare services, 2024
- 698
- Medicare patients, 2024
- 481
- Part D claims, 2024
- 456
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Practice address
- 525 N Garfield Ave, Monterey Park, CA 91754
- Practice phone
- Call (626) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ngo's professional email, personal email and mobile number
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Dr. Phong Xuan Ngo is an emergency medicine physician in Monterey Park, California
Dr. Ngo practices at Garfield Medical Center in Monterey Park, California, part of AHMC Healthcare.
Dr. Ngo's NPI, 1942243449, was assigned on June 13, 2006. Dr. Ngo graduated from Keck School of Medicine of USC in 1993. Dr. Ngo holds California license G80943.
- NPI
- 1942243449NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688566607
- NPI enumeration date
- June 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Phong Xuan Ngo practices at Garfield Medical Center in Monterey Park, California
Dr. Ngo's primary practice is Garfield Medical Center, at 525 N Garfield Ave, Monterey Park, CA 91754 in Los Angeles County. The practice phone is (626) 573-2222.
- Garfield Medical Center525 N Garfield Ave, Monterey Park, CA 91754 · Los Angeles CountyPhone(626) 573-2222
Source: Dmand AI Affiliation Data
Dr. Phong Xuan Ngo is affiliated with 3 sites of care and 4 medical groups
Dr. Ngo's primary practice is Garfield Medical Center in Monterey Park, California, part of AHMC Healthcare. Dr. Ngo is also affiliated with Whittier Hospital Medical Center. The medical group on file is GEM Medical Group (GEM, Emergency Medicine Providers). Dmand AI also links Dr. Ngo to 1 more hospital and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Phong Xuan Ngo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ngo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Garfield Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Phong Xuan Ngo is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Ngo's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ngo is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ngo's licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Internal medicine, Oregon
Emergency medicine physicians near Dr. Ngo
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Phong Xuan Ngo billed Medicare for 698 services in 2024
CMS data shows 698 Medicare services from Dr. Ngo across 6 procedure codes in 2024, for 481 Medicare patients. Medicare paid $77,227 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ngo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8052024: 50737%
- Tests and treatments
- 2023: 2582024: 18030%
- Surgery
- 2023: 312024: 1165%
Dr. Ngo compared with the California median for emergency medicine physicians, 2024
- Dr. Ngo
- California median
- Medicare services
- 698vs 2652.6 times
- Medicare patients
- 481vs 24398% above
- Part D claims
- 301vs 624.9 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ngo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Phong Xuan Ngo treated 481 Medicare patients in 2024, average age 78
CMS counts 481 Medicare patients who saw Dr. Ngo in 2024. The largest group is 65 to 74, with 150 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 87% are also on Medicaid. Their average risk score is 3.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ngo's median patient age at 51, with 57% women.
Dr. Ngo's Medicare patients by age, 2024
Dr. Ngo's Medicare patients by sex, 2024
- Women26756%
- Men21444%
Chronic conditions among Dr. Ngo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes58%
- Chronic kidney disease57%
- Arthritis52%
- Ischemic heart disease50%
- Heart failure43%
- COPD38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ngo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Phong Xuan Ngo wrote 456 Medicare Part D claims in 2024
In 2024, Dr. Ngo wrote 456 Medicare Part D claims for 253 patients. 93% of them were for generic drugs. CMS names the drug for 301 of them, across 15 drugs with 11 or more claims each, at $1,490 in total drug cost. In 2023, CMS named 321 claims across 14 drugs.
Dr. Ngo's Part D claims by kind of drug, 2024
- Generic424 claims93%
- Brand-name and other32 claims7%
Dr. Ngo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Ngo's Part D claims, 2024
- Opioids13%57 of 456 claims
- Antibiotics23%104 of 456 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3212024: 3016%
Drugs named by CMS: 15 in 2024, 14 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Phong Xuan Ngo scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Ngo for performance year 2024, reported as part of a group. Dr. Ngo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ngo's MIPS scores, performance year 2024
- 87of 100Final score
- 70.9of 100Quality
- 40of 100Improvement Activities
- 93of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Phong Xuan Ngo received $1,033 in industry payments from 2019 to 2024
CMS Open Payments shows 38 general payments to Dr. Ngo from 6 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $437.
General payments to Dr. Ngo by program year, 2019 to 2024
General payments to Dr. Ngo by kind, 2019 to 2024
- Food and beverage$97394%
- Education$606%
Companies that paid Dr. Ngo the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Phong Xuan Ngo graduated from Keck School of Medicine of USC
Dr. Ngo graduated from Keck School of Medicine of USC in 1993.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Phong Xuan Ngo accepts plans from 2 insurance carriers
Dr. Ngo is in network with 2 carriers, including CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
- RI State Medicaid
Plan types Dr. Ngo accepts, by number of carriers
- Medicaid1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Phong Xuan Ngo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Phong Xuan Ngo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Phong Xuan Ngo's NPI number?
Dr. Phong Xuan Ngo's NPI number is 1942243449. It was assigned on June 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Phong Xuan Ngo?
Dr. Phong Xuan Ngo is an emergency medicine physician in Monterey Park, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Phong Xuan Ngo practice?
Dr. Ngo practices at 525 N Garfield Ave, Monterey Park, CA 91754. Dr. Ngo's primary practice is Garfield Medical Center in Monterey Park, California, part of AHMC Healthcare. Dmand AI also links Dr. Ngo to 1 hospital and 3 medical groups.
What is Dr. Phong Xuan Ngo's office phone number?
The practice phone on file for Dr. Ngo is (626) 573-2222.
What is Dr. Phong Xuan Ngo's medical license number?
Dr. Ngo holds California license G80943, one of the licenses on file in 2 states.
Which states has Dr. Phong Xuan Ngo been licensed in?
Dmand AI has state licenses on file for Dr. Ngo in California (1995 to 2026) and Oregon (2009 to 2025).
Which hospitals is Dr. Phong Xuan Ngo affiliated with?
Dr. Ngo practices at Garfield Medical Center in Monterey Park, California. Dr. Ngo is also affiliated with Whittier Hospital Medical Center. Dmand AI links Dr. Ngo to 1 more hospital.
What medical group is Dr. Phong Xuan Ngo part of?
Dr. Ngo is linked to GEM Medical Group (GEM, Emergency Medicine Providers). Dmand AI links Dr. Ngo to 3 more medical groups.
Does Dr. Phong Xuan Ngo accept Medicare?
Yes. CMS data shows Dr. Ngo billed Medicare for 698 services in 2024, and Dr. Ngo accepts Medicare assignment.
What is Dr. Phong Xuan Ngo's MIPS score?
Dr. Ngo's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Phong Xuan Ngo see?
CMS counts 481 Medicare patients who saw Dr. Ngo in 2024, with an average age of 78.
Is Dr. Phong Xuan Ngo board certified?
Yes. Dr. Ngo is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Phong Xuan Ngo bill to Medicare?
In 2024, Dr. Ngo's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Phong Xuan Ngo go to medical school?
Dr. Ngo graduated from Keck School of Medicine of USC in 1993.
What drugs does Dr. Phong Xuan Ngo prescribe most?
In 2024 Medicare Part D data, Dr. Ngo's most prescribed drugs by claims were Ondansetron HCl, Tramadol HCl and Cephalexin.
Has Dr. Phong Xuan Ngo received payments from drug or device companies?
CMS Open Payments shows $1,033 in general payments to Dr. Ngo from 6 companies from 2019 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Phong Xuan Ngo been practicing?
Dr. Ngo graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Phong Xuan Ngo accept?
Dr. Ngo is in network with 2 carriers, including CMS Medicare and RI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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