Are you Cassandra Os, NP? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Cassandra Os, NP
- Berlin location main office
133 Pleasant St, Berlin, NH 03570 - West Springfield location
103 Myron St Ste A, West Springfield, MA 01089
About Cassandra Os
Cassandra Os, NP is a nurse practitioner based in Berlin, NH. Medicare claims data shows Cassandra provided 228 services to 129 patients. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes. The provider's National Provider Identifier (NPI) is 1285258863.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (603) 752-2040
- Email not available
Practice Locations
133 PLEASANT ST
Berlin, NH 03570
103 Myron St Ste A
West Springfield, MA 01089
Procedures Most Often Billed to Medicare
228 services · 129 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
148 | As often as other peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
42 | Less often than most peers in Nurse Practitioner |
| Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99304 |
38 | As often as other peers in Nurse Practitioner |
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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Cassandra Os's specialty?
Cassandra Os is a nurse practitioner in Berlin, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Cassandra Os?
Cassandra Os is listed at 133 Pleasant St, Berlin, NH 03570. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Cassandra Os?
The number on file is (603) 752-2040. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Cassandra Os?
Cassandra Os's National Provider Identifier is 1285258863. 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
What is Cassandra Os's education?
Cassandra Os attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Cassandra Os have?
Cassandra Os has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What is Cassandra Os known for?
According to Medicare billing data, Cassandra Os the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Cassandra Os's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Cassandra Os. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.