Provider Profile
Monica Karlen is a certified registered nurse anesthetist (crna) based in Boston, MA. According to Medicare claims data, Monica cared for 56 Medicare patients across 56 services. The services billed most often include anesthesia for procedure to assess heart electrical activity and anesthesia for x-ray on artery of brain, heart, or chest. The provider's National Provider Identifier (NPI) is 1417608464.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
55 FRUIT ST
Boston, MA 02114
Within Certified Registered Nurse Anesthetist generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Acute Pain
Anxiety & Phobias
Face & Jaw
Head & Face
Joint Pain
Joints & Soft Tissue
Maternity
Mental Health
Nerve Pain
Pain
Pelvic & Abdominal
Sedation & Phobias
Spine & Back
Consultations
General Anesthesia
Infusion Therapy
Injections
Joint Injections
Joints & Soft Tissue
Maternity
Nerve Blocks
Pain Management
Pain Relief Procedures
Sedation
Specialized Care
Surgical Pain Relief
Vascular Access
56 services · 56 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for procedure to assess heart electrical activity | Anaesthesia | 00537 |
37 |
| Anesthesia for x-ray on artery of brain, heart, or chest | Anaesthesia | 01926 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Monica Karlen is a certified registered nurse anesthetist (crna) in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Monica Karlen is listed at 55 Fruit St, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 726-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
Monica Karlen's National Provider Identifier is 1417608464. 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
Monica Karlen attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Monica Karlen has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Monica Karlen provides treatments such as anesthesia for procedure to assess heart electrical activity and anesthesia for x-ray on artery of brain, heart, or chest. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Monica Karlen. If this is you, claiming it is free.
Guide.md
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