Doctor profile · Federal record
Dr. Marianne Davies, APRN
Medical-Surgical Clinical Nurse Specialist (CMS: Nurse Practitioner) · New Haven, CT
- NPI 1285619353
- Accepts Medicare
- MIPS 71.7 / 100 · 2023
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 Howard Ave, Yale Physicians Building - 2Nd Floor
New Haven, CT 065191369
(203) 785-4191
fax (203) 737-2617 - Mailing address
-
Po Box 9805, 300 George St 6Th Floor
New Haven, CT 065360805
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- June 26, 2008
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 364SM0705X — NUCC code
- State license (1)
- Connecticut #002166
- Medicaid
- CT #004208311
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285619353. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
208
Distinct HCPCS
2
Medicare allowed
$18,142
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 196 | 67 | $87 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 12 | 11 | $87 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 104. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$1,101
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 1 | $1,000.00 | |
| Janssen Biotech, Inc. | 1 | $100.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
262
Patients
53
Total drug cost
$1,204,028
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tagrisso (Osimertinib Mesylate) | Brand | 60 | 16 | $1,026,036 |
| Eliquis (Apixaban) | Brand | 35 | 0 | $21,801 |
| Pantoprazole Sodium | Generic | 28 | 0 | $299 |
| Levothyroxine Sodium | Generic | 26 | 0 | $362 |
| Prochlorperazine Maleate | Generic | 19 | 13 | $423 |
| Prednisone | Generic | 17 | 0 | $235 |
| Dexamethasone | Generic | 15 | 12 | $354 |
| Ondansetron Hcl | Generic | 14 | 12 | $281 |
| Amlodipine Besylate | Generic | 13 | 0 | $44 |
| Lorazepam | Generic | 13 | 0 | $90 |
Frequently asked questions
What is Dr. Marianne Davies's medical specialty?
Dr. Marianne Davies practices Medical-Surgical Clinical Nurse Specialist in New Haven, CT.
Where does Dr. Marianne Davies practice?
Dr. Marianne Davies practices at 800 Howard Ave, New Haven, CT 065191369. Office phone: 2037854191.
What is Dr. Marianne Davies's NPI?
Dr. Marianne Davies's National Provider Identifier (NPI) is 1285619353, issued by NPPES.
Does Dr. Marianne Davies accept Medicare assignment?
Yes. Dr. Marianne Davies accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianne Davies commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.