Physician Profile
Based in Baltimore, MD, Moira P. Larsen, M.D. is listed in the NPI registry under pathology. Moira graduated from Johns Hopkins University School of Medicine in 2005. According to Medicare claims data, Moira cared for 235 Medicare patients across 494 services. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, pathology examination of tissue using a microscope, intermediate complexity, and special stained specimen slides to identify organisms including interpretation and report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5601 LOCH RAVEN BLVD
Baltimore, MD 21239
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
494 services · 235 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
349 | As often as other peers in Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
82 | As often as other peers in Pathology |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
26 | Less often than most peers in Pathology |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
20 | Less often than most peers in Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
17 | Less often than most peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Moira P. Larsen is a pathologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Moira P. Larsen is listed at 5601 Loch Raven Blvd, Baltimore, MD 21239. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (410) 532-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Moira P. Larsen's National Provider Identifier is 1740259548. 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
Moira P. Larsen attended Johns Hopkins University School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
Moira P. Larsen has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Moira P. Larsen 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
Not yet. This profile is built from public federal data and has not been confirmed by Moira P. Larsen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.