Provider Profile
Maxim Rosario, MB BCH BAO D.PHIL is a healthcare provider in Baltimore, MD specializing in pathology. According to Medicare claims data, Maxim cared for 2,369 Medicare patients across 2,621 services. The services billed most often include immunologic analysis technique on serum (immunofixation), protein measurement, serum, and protein measurement, body fluid.
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.
720 RUTLAND AVENUE RM 659
Baltimore, MD 21205
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
2,621 services · 2,369 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Immunologic analysis technique on serum (immunofixation) | Lab test | 86334 |
974 | More often than most peers in Pathology |
| Protein measurement, serum | Lab test | 84165 |
928 | More often than most peers in Pathology |
| Protein measurement, body fluid | Lab test | 84166 |
472 | More than most peers in Pathology |
| Immunologic analysis technique on body fluid, other fluids with concentration | Lab test | 86335 |
247 | More often than most peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Maxim Rosario 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
Maxim Rosario is listed at 720 Rutland Avenue Rm 659, Baltimore, MD 21205. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 362-1451. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Maxim Rosario's National Provider Identifier is 1740530534. 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
Maxim Rosario attended Other, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Maxim Rosario has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Maxim Rosario 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 Maxim Rosario. 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.