Doctor profile · Federal record
Dr. Katherine Ruiz-Mellott, M.D.,MPH
Psychiatry Physician (CMS: Psychiatry) · Haverhill, MA
- NPI 1962516864
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
76 Summer Street, Whittier Pavilion
Haverhill, MA 01830
(978) 556-6229 - Mailing address
-
310 South St
Jamaica Plain, MA 021303510
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 21, 2009
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Massachusetts #227275
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962516864. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
324
Distinct HCPCS
6
Medicare allowed
$31,762
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 227 | 35 | $84 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 28 | 11 | $126 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 23 | 22 | $180 | |
99238 |
Hospital discharge day management, 30 minutes or less | 23 | 23 | $87 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 12 | 12 | $138 | |
99239 |
Hospital discharge day management, more than 30 minutes | 11 | 11 | $123 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 87. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$22
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Indivior Inc. | 1 | $22.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
93
Patients
55
Total drug cost
$1,030
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 20 | 18 | $222 |
| Quetiapine Fumarate | Generic | 17 | 11 | $146 |
| Hydroxyzine Pamoate | Generic | 15 | 13 | $135 |
| Trazodone Hcl | Generic | 15 | 13 | $103 |
| Clonazepam | Generic | 14 | 0 | $112 |
| Olanzapine | Generic | 12 | 0 | $312 |
Frequently asked questions
What is Dr. Katherine Ruiz-Mellott's medical specialty?
Dr. Katherine Ruiz-Mellott practices Psychiatry Physician in Haverhill, MA.
Where does Dr. Katherine Ruiz-Mellott practice?
Dr. Katherine Ruiz-Mellott practices at 76 Summer Street, Haverhill, MA 01830. Office phone: 9785566229.
What is Dr. Katherine Ruiz-Mellott's NPI?
Dr. Katherine Ruiz-Mellott's National Provider Identifier (NPI) is 1962516864, issued by NPPES.
Does Dr. Katherine Ruiz-Mellott accept Medicare assignment?
Yes. Dr. Katherine Ruiz-Mellott accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Ruiz-Mellott commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.