Doctor profile · Federal record
Dr. Marissa Crofut
Physician Assistant · Physician Assistant · Norwalk, CT
- NPI 1952959546
- Accepts Medicare
- MIPS 89.1 / 100 · 2023
- 7 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
34 Maple St
Norwalk, CT 068503815
(203) 852-2000 - Additional location
-
24 Hospital Ave
Danbury, CT 068106099
(203) 739-7000 - Additional location
-
100 Woods RD
Valhalla, NY 105951530
(914) 493-7000
Credentials & registration
- NPI registered
- August 2019 — 7 yrs on file
- Profile last updated
- October 29, 2020
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State licenses (2)
- Connecticut #5026 · New York #023926
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952959546. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
26
Distinct HCPCS
2
Medicare allowed
$1,107
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 14 | 14 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $82 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 83. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$559
Transactions
22
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 3 | $84.21 | |
| Rigel Pharmaceuticals, Inc. | 4 | $79.93 | |
| Davol Inc. | 2 | $72.41 | |
| Janssen Biotech, Inc. | 1 | $38.85 | |
| Incyte Corporation | 2 | $31.36 | |
| Kerecis Limited | 1 | $29.51 | |
| Olympus America Inc. | 1 | $28.51 | |
| Mirati Therapeutics, Inc. | 1 | $28.05 | |
| Medtronic, Inc. | 1 | $27.20 | |
| Integra LifeSciences Corporation | 1 | $24.21 | |
| Lilly USA, LLC | 1 | $23.41 | |
| JAZZ PHARMACEUTICALS INC. | 1 | $20.12 | |
| Daiichi Sankyo Inc. | 1 | $19.90 | |
| Astellas Pharma US Inc | 1 | $19.63 | |
| SERVIER PHARMACEUTICALS LLC | 1 | $16.97 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
119
Patients
41
Total drug cost
$61,364
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 35 | 12 | $534 |
| Gabapentin | Generic | 29 | 29 | $199 |
| Creon (Lipase/Protease/Amylase) | Brand | 23 | 0 | $59,925 |
| Pantoprazole Sodium | Generic | 19 | 0 | $230 |
| Loperamide (Loperamide Hcl) | Brand | 13 | 0 | $477 |
Hospital affiliations
Frequently asked questions
What is Dr. Marissa Crofut's medical specialty?
Dr. Marissa Crofut practices Physician Assistant in Norwalk, CT.
Where does Dr. Marissa Crofut practice?
Dr. Marissa Crofut practices at 34 Maple St, Norwalk, CT 068503815. Office phone: 2038522000.
What is Dr. Marissa Crofut's NPI?
Dr. Marissa Crofut's National Provider Identifier (NPI) is 1952959546, issued by NPPES.
Does Dr. Marissa Crofut accept Medicare assignment?
Yes. Dr. Marissa Crofut accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Crofut commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.