Dr. Rong J. Guan, MD
- Medicare services, 2024
- 466
- Medicare patients, 2024
- 211
- Part D claims, 2024
- 12,356
- Hospital affiliations
- 2
- Industry payments
- $13,128
- Practice address
- 145 South Street, Boston, MA 02111
- Practice phone
- Call (617) 521-6700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Cove Community Health Center - Boston (S St)
FQHC - Main Site · Boston, Massachusetts
Find Dr. Guan'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. Rong J. Guan is an internist in Boston, Massachusetts
Dr. Guan practices at South Cove Community Health Center - Boston (S St) in Boston, Massachusetts.
Dr. Guan's NPI, 1760439921, was assigned on May 30, 2006. Dr. Guan holds Massachusetts license 150086.
- NPI
- 1760439921NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032123138
- NPI enumeration date
- May 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 521-6700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rong J. Guan practices at South Cove Community Health Center - Boston (S St) in Boston, Massachusetts
Dr. Guan's primary practice is South Cove Community Health Center - Boston (S St), at 145 South Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 521-6700.
- South Cove Community Health Center - Boston (S St)145 South Street, Boston, MA 02111 · Suffolk CountyPhone(617) 521-6700
Source: Dmand AI Affiliation Data
Dr. Rong J. Guan is affiliated with 5 sites of care and 3 medical groups
Dr. Guan's primary practice is South Cove Community Health Center - Boston (S St) in Boston, Massachusetts. Dr. Guan is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Guan to 1 more hospital, 2 medical groups, 1 breast imaging center and 1 community health center, each named with a free account. Dr. Guan's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rong J. Guan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Cove Community Health Center - Boston (S St) | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rong J. Guan is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Guan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Guan is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Guan
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. Rong J. Guan billed Medicare for 466 services in 2024
CMS data shows 466 Medicare services from Dr. Guan across 8 procedure codes in 2024, for 211 Medicare patients. Medicare paid $24,629 for them. Every service was in an office.
Dr. Guan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 2602024: 2818%
- Other services
- 2023: 1802024: 7558%
- Tests and treatments
- 2023: 1712024: 5866%
- Lab and pathology
- 2023: 562024: 527%
Dr. Guan compared with the Massachusetts median for internists, 2024
- Dr. Guan
- Massachusetts median
- Medicare services
- 466vs 4318% above
- Medicare patients
- 211vs 1949% above
- Part D claims
- 11,771vs 40229.3 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Guan'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guan and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rong J. Guan treated 211 Medicare patients in 2024, average age 70
CMS counts 211 Medicare patients who saw Dr. Guan in 2024. The largest group is 65 to 74, with 139 patients. 65% of them have high blood pressure, and 48% have high cholesterol. 76% are also on Medicaid. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Guan's median patient age at 62, with 76% women.
Dr. Guan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Guan's Medicare patients by sex, 2024
- Women15272%
- Men5928%
Chronic conditions among Dr. Guan's Medicare patients, 2024
- High blood pressure65%
- High cholesterol48%
- Diabetes33%
- Osteoporosis18%
- Arthritis16%
- Chronic kidney disease6%
- COPD5%
- Mood disorders5%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women76%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rong J. Guan wrote 12,356 Medicare Part D claims in 2024
In 2024, Dr. Guan wrote 12,356 Medicare Part D claims for 1,113 patients. 91% of them were for generic drugs. CMS names the drug for 11,771 of them, across 105 drugs with 11 or more claims each, at $689,494 in total drug cost. In 2023, CMS named 11,217 claims across 96 drugs.
Dr. Guan's Part D claims by kind of drug, 2024
- Generic11,215 claims91%
- Brand-name1,007 claims8%
- Other134 claims1%
Dr. Guan'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. Guan's Part D claims, 2024
- Opioids1%66 of 12,356 claims
- Antibiotics4%522 of 12,356 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: 11,2172024: 11,7715%
Drugs named by CMS: 105 in 2024, 96 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. Rong J. Guan takes part in Medicare
Dr. Guan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Rong J. Guan received $13,128 in industry payments from 2016 to 2024
CMS Open Payments shows 31 general payments to Dr. Guan from 3 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 75% of the total. Gilead Sciences, Inc. paid the most, $13,061.
General payments to Dr. Guan by program year, 2016 to 2024
General payments to Dr. Guan by kind, 2016 to 2024
- Consulting fees$9,79075%
- Travel and lodging$2,64520%
- Food and beverage$6935%
Companies that paid Dr. Guan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Rong J. Guan'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) |
| 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. Rong J. Guan
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. Rong J. Guan's NPI number?
Dr. Rong J. Guan's NPI number is 1760439921. It was assigned on May 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rong J. Guan?
Dr. Rong J. Guan is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rong J. Guan practice?
Dr. Guan practices at 145 South Street, Boston, MA 02111. Dr. Guan's primary practice is South Cove Community Health Center - Boston (S St) in Boston, Massachusetts. Dmand AI also links Dr. Guan to 1 hospital, 2 medical groups, 1 breast imaging center and 1 community health center.
What is Dr. Rong J. Guan's office phone number?
The practice phone on file for Dr. Guan is (617) 521-6700.
What is Dr. Rong J. Guan's medical license number?
Dr. Guan holds Massachusetts license 150086.
Which hospitals is Dr. Rong J. Guan affiliated with?
Dr. Guan is affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Guan to 1 more hospital.
What medical group is Dr. Rong J. Guan part of?
Dr. Guan is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Guan to 2 more medical groups.
Does Dr. Rong J. Guan accept Medicare?
Yes. CMS data shows Dr. Guan billed Medicare for 466 services in 2024, and Dr. Guan accepts Medicare assignment.
How many Medicare patients does Dr. Rong J. Guan see?
CMS counts 211 Medicare patients who saw Dr. Guan in 2024, with an average age of 70.
What services does Dr. Rong J. Guan bill to Medicare?
In 2024, Dr. Guan's most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and medicare service (G0008).
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What drugs does Dr. Rong J. Guan prescribe most?
In 2024 Medicare Part D data, Dr. Guan's most prescribed drugs by claims were Amlodipine Besylate, Simvastatin and Losartan Potassium.
Has Dr. Rong J. Guan received payments from drug or device companies?
CMS Open Payments shows $13,128 in general payments to Dr. Guan from 3 companies from 2016 to 2024. The largest total came from Gilead Sciences, Inc.
How long has Dr. Rong J. Guan been practicing?
Dr. Guan graduated from medical school in 1984, 42 years ago.
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