Doctor profile · Federal record

Dr. Claudia Guillen, RN, CNP

Nurse Practitioner · Registered Nurse · Chelsea, MA

  • NPI 1295153369
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
151 Everett Ave
Chelsea, MA 021501812
(617) 726-8055

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
January 8, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #RN2281078

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295153369. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
155
Distinct HCPCS
2
Medicare allowed
$13,423
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 117 91 $88
99213 Established patient office or other outpatient visit, 20-29 minutes 38 14 $81

In context: peer comparison

Among 4 peers in this city , average services per provider: 58. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$89
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $89.45

By nature of payment

Food and Beverage
$89

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
72
Patients
23
Total drug cost
$1,646
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 17 12 $270
Diclofenac Sodium Generic 15 11 $896
Lisinopril Generic 15 0 $133
Amlodipine Besylate Generic 14 0 $51
Bupropion Hcl Sr (Bupropion Hcl) Brand 11 0 $296

Frequently asked questions

Auto-generated from federal data
What is Dr. Claudia Guillen's medical specialty?
Dr. Claudia Guillen practices Nurse Practitioner in Chelsea, MA.
Where does Dr. Claudia Guillen practice?
Dr. Claudia Guillen practices at 151 Everett Ave, Chelsea, MA 021501812. Office phone: 6177268055.
What is Dr. Claudia Guillen's NPI?
Dr. Claudia Guillen's National Provider Identifier (NPI) is 1295153369, issued by NPPES.
Does Dr. Claudia Guillen accept Medicare assignment?
Yes. Dr. Claudia Guillen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claudia Guillen 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 99213). Source: CMS Medicare Physician & Other Practitioners file.