Physician Profile
Unclaimed ProfileAbout NELSON
Sonja N. Nelson, M.D. is a healthcare provider in Portsmouth, NH specializing in obstetrics/gynecology. Sonja trained at Tufts University School of Medicine, graduating in 1991. Sonja is also listed as specializing in obstetrics & gynecology. Medicare claims data shows Sonja provided 554 services to 436 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (603) 436-1128
- Email not available
Practice Locations
875 GREENLAND RD BUILDLING A-1
Portsmouth, NH 03801
Procedures Most Often Billed to Medicare
554 services · 436 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of lower leg neurostimulator electrode | Procedure | 64566 |
47 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
308 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
100 |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
57 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
22 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
20 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other obstetrics/gynecology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other obstetrics/gynecology specialists in Portsmouth 7
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of lower leg neurostimulator electrode 5
Providers in NH who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Nelson?
Dr. Nelson is an obstetrics/gynecology in Portsmouth, NH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OBSTETRICS/GYNECOLOGY”.
NPI registry
What is Dr. Nelson's address?
Dr. Nelson is listed at 875 GREENLAND RD BUILDLING A-1, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nelson?
The number on file is (603) 436-1128. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Nelson?
Dr. Nelson's National Provider Identifier is 1598729675. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Nelson train?
Dr. Nelson attended Tufts University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Nelson have?
Dr. Nelson has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Nelson perform?
According to Medicare billing data, Dr. Nelson performs procedures including insertion of lower leg neurostimulator electrode, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Nelson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nelson. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.