Doctor profile · Federal record
Dr. Nyssa Melendez Rios, M.D.
Internal Medicine Physician (CMS: Hospitalist) · Internal Medicine Physician · Boston, MA
- NPI 1922263581
- Accepts Medicare
- 19 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156106
(617) 732-5500 - Mailing address
-
7 Seaport Dr Apt 602
Quincy, MA 021711580
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- February 21, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Massachusetts #261249 · Puerto Rico #17904
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922263581. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
271
Distinct HCPCS
6
Medicare allowed
$29,278
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 137 | 55 | $83 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 37 | 36 | $179 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 | $138 | |
99238 |
Hospital discharge day management, 30 minutes or less | 28 | 27 | $87 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 21 | 15 | $120 | |
99239 |
Hospital discharge day management, more than 30 minutes | 20 | 20 | $123 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 3.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Nyssa Melendez Rios's medical specialty?
Dr. Nyssa Melendez Rios practices Internal Medicine Physician in Boston, MA.
Where does Dr. Nyssa Melendez Rios practice?
Dr. Nyssa Melendez Rios practices at 75 Francis St, Boston, MA 021156106. Office phone: 6177325500.
What is Dr. Nyssa Melendez Rios's NPI?
Dr. Nyssa Melendez Rios's National Provider Identifier (NPI) is 1922263581, issued by NPPES.
Does Dr. Nyssa Melendez Rios accept Medicare assignment?
Yes. Dr. Nyssa Melendez Rios accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nyssa Melendez Rios commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.