Rong Guan, M.D.
NPI 1760439921 · Internal Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rong Guan, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1760439921).
Provider details
- NPI number
- 1760439921
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 150086 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
408 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 170 | $78 |
| Screening 3d Breast Mammography77063 | 67 | $30 |
| Administration of Influenza Virus VaccineG0008 | 59 | $29 |
| Stool Analysis for Blood to Screen for Colon Tumors82270 | 52 | $4 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 44 | $23 |
| Administration of Pneumococcal VaccineG0009 | 16 | $29 |
Typical Medicare-allowed amounts for these services range $4–$78 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 1,088 | 313 |
| Simvastatin | 1,024 | 280 |
| Losartan Potassium | 871 | 236 |
| Metformin Hcl | 580 | 167 |
| Omeprazole | 574 | 213 |
| Atorvastatin Calcium | 551 | 178 |
| Tamsulosin Hcl | 517 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-30
- Last updated
- 2011-10-20
Frequently asked questions
- What is Rong Guan's NPI number?
- Rong Guan's National Provider Identifier (NPI) is 1760439921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rong Guan's specialty?
- Rong Guan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rong Guan located?
- Rong Guan's practice location on file with NPPES is 885 Washington Street, Boston, MA 02111.
- What is Rong Guan's phone number?
- The practice phone number listed in the NPPES registry for Rong Guan is (617) 482-7555.
- Does Rong Guan accept Medicare?
- Rong Guan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rong Guan's NPI active?
- Yes — Rong Guan's NPI (1760439921) is active in the NPPES registry as of the last update on 2011-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.