Doctor profile · Federal record
Dr. Oana Elena Zaha
Rheumatology Physician (CMS: Rheumatology) · North Haven, CT
- NPI 1811201494
- Accepts Medicare
- MIPS 71.7 / 100 · 2023
- 22 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
6 Devine St Fl 2
North Haven, CT 064732195
(203) 287-6200 - Mailing address
-
245 Unquowa RD Apt 18
Fairfield, CT 068245021
Credentials & registration
- NPI registered
- August 2010 — 16 yrs on file
- Profile last updated
- July 29, 2015
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Connecticut #54441
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811201494. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
151
Distinct HCPCS
3
Medicare allowed
$22,217
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 120 | 63 | $137 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 19 | 17 | $192 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $178 |
In context: peer comparison
Among 5 peers in North Haven Rheumatology Physician, average services per provider: 57. This provider delivers 2.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
568
Patients
126
Total drug cost
$476,582
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 138 | 45 | $6,445 |
| Hydroxychloroquine Sulfate | Generic | 119 | 40 | $8,074 |
| Prednisone | Generic | 117 | 41 | $1,786 |
| Humira(Cf) Pen (Adalimumab) | Brand | 26 | 0 | $203,326 |
| Mycophenolate Mofetil | Generic | 25 | 0 | $3,369 |
| Sulfasalazine | Generic | 22 | 0 | $525 |
| Alendronate Sodium | Generic | 21 | 0 | $282 |
| Allopurinol | Generic | 21 | 0 | $654 |
| Enbrel Sureclick (Etanercept) | Brand | 21 | 0 | $248,023 |
| Diclofenac Sodium | Generic | 19 | 0 | $580 |
Hospital affiliations
Frequently asked questions
What is Dr. Oana Elena Zaha's medical specialty?
Dr. Oana Elena Zaha practices Rheumatology Physician in North Haven, CT.
Where does Dr. Oana Elena Zaha practice?
Dr. Oana Elena Zaha practices at 6 Devine St Fl 2, North Haven, CT 064732195. Office phone: 2032876200.
What is Dr. Oana Elena Zaha's NPI?
Dr. Oana Elena Zaha's National Provider Identifier (NPI) is 1811201494, issued by NPPES.
Does Dr. Oana Elena Zaha accept Medicare assignment?
Yes. Dr. Oana Elena Zaha accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oana Elena Zaha commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.