Dr. Xiaojun Guo, MD
- Medicare services, 2024
- 679
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 6,969
- Industry payments
- $2,417
- Affiliated sites
- 1
- Practice address
- 136-68 Roosevelt Ave, Flushing, NY 11354
- Practice phone
- Call (718) 749-4570
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gxj Medical Healthcare
Flushing, New York
Find Dr. Guo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Xiaojun Guo is an internist in Flushing, New York
Dr. Guo practices at Gxj Medical Healthcare in Flushing, New York.
Dr. Guo's NPI, 1427269257, was assigned on May 24, 2007. Dr. Guo holds New York license 250996.
- NPI
- 1427269257NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042303471
- NPI enumeration date
- May 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 749-4570
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Xiaojun Guo practices at Gxj Medical Healthcare in Flushing, New York
Dr. Guo's primary practice is Gxj Medical Healthcare, at 136-68 Roosevelt Ave, Flushing, NY 11354 in Queens County. The practice phone is (718) 749-4570.
- Gxj Medical Healthcare136-68 Roosevelt Ave, Flushing, NY 11354 · Queens CountyPhone(718) 749-4570
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Xiaojun Guo is affiliated with 2 sites of care and 1 medical group
Dr. Guo's primary practice is Gxj Medical Healthcare in Flushing, New York. The medical group on file is GXJ Medical Healthcare PC. Dmand AI also links Dr. Guo to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Xiaojun Guo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gxj Medical Healthcare | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Xiaojun Guo is one of 9,643 internists in New York
Internal medicine is Dr. Guo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Guo's licenses on file in 4 states: New York, Idaho, Minnesota and Wisconsin.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- Idaho license
- Minnesota license
- Hospitalist, Wisconsin
Internists near Dr. Guo
Counts of internists 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. Xiaojun Guo billed Medicare for 679 services in 2024
CMS data shows 679 Medicare services from Dr. Guo across 11 procedure codes in 2024, for 54 Medicare patients. Medicare paid $38,565 for them. Every service was in an office.
Dr. Guo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4352024: 57131%
- Surgery
- 2023: 552024: 609%
- Other services
- 2023: 612024: 4821%
- Tests and treatments
- 2023: 122024: 0100%
Dr. Guo compared with the New York median for internists, 2024
- Dr. Guo
- New York median
- Medicare services
- 679vs 42659% above
- Medicare patients
- 54vs 15866% below
- Part D claims
- 6,296vs 62210.1 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Guo'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. Xiaojun Guo treated 54 Medicare patients in 2024, average age 73
CMS counts 54 Medicare patients who saw Dr. Guo in 2024. The largest group is 65 to 74, with 31 patients. 63% of them have high cholesterol, and 59% have high blood pressure. 50% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Guo's median patient age at 50, with 54% women.
Dr. Guo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Guo's Medicare patients by sex, 2024
- Women3056%
- Men2444%
Chronic conditions among Dr. Guo's Medicare patients, 2024
- High cholesterol63%
- High blood pressure59%
- Diabetes35%
- Arthritis31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Xiaojun Guo wrote 6,969 Medicare Part D claims in 2024
In 2024, Dr. Guo wrote 6,969 Medicare Part D claims for 315 patients. 71% of them were for generic drugs. CMS names the drug for 6,296 of them, across 128 drugs with 11 or more claims each, at $1,496,756 in total drug cost. In 2023, CMS named 5,011 claims across 111 drugs.
Dr. Guo's Part D claims by kind of drug, 2024
- Generic4,922 claims71%
- Brand-name1,891 claims27%
- Other156 claims2%
Dr. Guo'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. Guo's Part D claims, 2024
- Antibiotics2%123 of 6,969 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: 5,0112024: 6,29626%
Drugs named by CMS: 128 in 2024, 111 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
How Dr. Xiaojun Guo takes part in Medicare
Dr. Guo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Xiaojun Guo received $2,417 in industry payments from 2017 to 2025
CMS Open Payments shows 115 general payments to Dr. Guo from 26 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $293.
General payments to Dr. Guo by program year, 2017 to 2025
Companies that paid Dr. Guo the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Xiaojun Guo'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Xiaojun Guo
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. Xiaojun Guo's NPI number?
Dr. Xiaojun Guo's NPI number is 1427269257. It was assigned on May 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Xiaojun Guo?
Dr. Xiaojun Guo is an internist in Flushing, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Xiaojun Guo practice?
Dr. Guo practices at 136-68 Roosevelt Ave, Flushing, NY 11354. Dr. Guo's primary practice is Gxj Medical Healthcare in Flushing, New York. Dmand AI also links Dr. Guo to 1 group practice or clinic.
What is Dr. Xiaojun Guo's office phone number?
The practice phone on file for Dr. Guo is (718) 749-4570.
What is Dr. Xiaojun Guo's medical license number?
Dr. Guo holds New York license 250996, one of the licenses on file in 4 states.
Which states has Dr. Xiaojun Guo been licensed in?
Dmand AI has state licenses on file for Dr. Guo in New York, Idaho, Minnesota and Wisconsin.
What medical group is Dr. Xiaojun Guo part of?
Dr. Guo is linked to GXJ Medical Healthcare PC.
Does Dr. Xiaojun Guo accept Medicare?
Yes. CMS data shows Dr. Guo billed Medicare for 679 services in 2024, and Dr. Guo accepts Medicare assignment.
How many Medicare patients does Dr. Xiaojun Guo see?
CMS counts 54 Medicare patients who saw Dr. Guo in 2024, with an average age of 73.
What services does Dr. Xiaojun Guo bill to Medicare?
In 2024, Dr. Guo's most billed Medicare services were office visit, established patient (99213), care management and other visits (99490) and care management and other visits (99457).
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What drugs does Dr. Xiaojun Guo prescribe most?
In 2024 Medicare Part D data, Dr. Guo's most prescribed drugs by claims were Vascepa, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Xiaojun Guo received payments from drug or device companies?
CMS Open Payments shows $2,417 in general payments to Dr. Guo from 26 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Xiaojun Guo been practicing?
Dr. Guo graduated from medical school in 1998, 28 years ago.
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