Doctor profile · Federal record
Dr. Mariel Marfongelli, PMHNP-BC
Psychiatric Hospital (CMS: Nurse Practitioner) · Boston, MA
- NPI 1639615685
- Accepts Medicare
- 10 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
537 E 6Th St Apt 1
Boston, MA 021273070
(617) 435-9004
Credentials & registration
- NPI registered
- January 2017 — 9 yrs on file
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 283Q00000X — NUCC code
- State license (1)
- Massachusetts #RN2299436
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639615685. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
138
Distinct HCPCS
4
Medicare allowed
$17,501
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90792 |
Psychiatric diagnostic evaluation with medical services | 44 | 39 | $147 | |
99285 |
Emergency department visit with high level of medical decision making | 43 | 33 | $149 | |
99284 |
Emergency department visit with moderate level of medical decision making | 36 | 35 | $103 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 12 | $61 |
In context: peer comparison
Among 1 peers in Boston Psychiatric Hospital, average services per provider: 34. This provider delivers 4.1× the peer median.Frequently asked questions
What is Dr. Mariel Marfongelli's medical specialty?
Dr. Mariel Marfongelli practices Psychiatric Hospital in Boston, MA.
Where does Dr. Mariel Marfongelli practice?
Dr. Mariel Marfongelli practices at 537 E 6Th St Apt 1, Boston, MA 021273070. Office phone: 6174359004.
What is Dr. Mariel Marfongelli's NPI?
Dr. Mariel Marfongelli's National Provider Identifier (NPI) is 1639615685, issued by NPPES.
Does Dr. Mariel Marfongelli accept Medicare assignment?
Yes. Dr. Mariel Marfongelli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariel Marfongelli commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.