Doctor profile · Federal record
Dr. Sharon Hart Silveira, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Nashua, NH
- NPI 1821252149
- Accepts Medicare
- 18 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2300 Southwood Dr
Nashua, NH 030631818
(603) 577-4000
fax (603) 640-1228
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- January 12, 2026
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State licenses (2)
- New Hampshire #15702 · Massachusetts #L-237045
- Medicaid
- NH #32001669
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821252149. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
71
Distinct HCPCS
5
Medicare allowed
$5,148
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 21 | 19 | $75 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 15 | 15 | $36 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 12 | 11 | $117 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 12 | 12 | $38 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $106 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 25. This provider delivers 2.8× the peer median.Frequently asked questions
What is Dr. Sharon Hart Silveira's medical specialty?
Dr. Sharon Hart Silveira practices Obstetrics & Gynecology Physician in Nashua, NH.
Where does Dr. Sharon Hart Silveira practice?
Dr. Sharon Hart Silveira practices at 2300 Southwood Dr, Nashua, NH 030631818. Office phone: 6035774000.
What is Dr. Sharon Hart Silveira's NPI?
Dr. Sharon Hart Silveira's National Provider Identifier (NPI) is 1821252149, issued by NPPES.
Does Dr. Sharon Hart Silveira accept Medicare assignment?
Yes. Dr. Sharon Hart Silveira accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sharon Hart Silveira commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.