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Edit this profileAt a glance
- 151 Everett Ave, Chelsea, MA 02150
About Claudia Guillen
Claudia C. Guillen, RN, CNP is a nurse practitioner practicing in Chelsea, MA. Claudia is also listed as specializing in registered nurse. Medicare claims data shows Claudia provided 165 services to 94 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1295153369.
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
- (617) 726-8055
- Email not available
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Practice Locations
151 EVERETT AVE
Chelsea, MA 02150
Procedures Most Often Billed to Medicare
165 services · 94 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
141 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 | Less often than most 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.
Other nurse practitioners at this location 3
Same specialty, same street address — most likely the same department or group.
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.
More connections — 21 related providers in 3 groups
Other nurse practitioners in Chelsea 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Claudia C. Guillen, RN?
Claudia C. Guillen, RN is a nurse practitioner in Chelsea, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Claudia C. Guillen, RN's address?
Claudia C. Guillen, RN is listed at 151 Everett Ave, Chelsea, MA 02150. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Claudia C. Guillen, RN?
The number on file is (617) 726-8055. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Claudia C. Guillen, RN?
Claudia C. Guillen, RN's National Provider Identifier is 1295153369. 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 Claudia C. Guillen, RN train?
Claudia C. Guillen, RN attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Claudia C. Guillen, RN have?
Claudia C. Guillen, RN has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What procedures does Claudia C. Guillen, RN perform?
According to Medicare billing data, Claudia C. Guillen, RN 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 Claudia C. Guillen, RN's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Claudia C. Guillen, RN. If this is you, claiming it is free.
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