Doctor profile · Federal record

Dr. Mariam Alexander, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Clinical Pathology/Laboratory Medicine Physician · Clinical Pathology/Laboratory Medicine Physician · Anatomic Pathology & Clinical Pathology Physician · Rochester, MN

  • NPI 1285861997
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
October 6, 2020
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (3)
Minnesota #54331 · Minnesota #105607 · Massachusetts #241722

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285861997. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
715
Distinct HCPCS
10
Medicare allowed
$20,733
HCPCS Description Services Patients Avg allowed
88350 Antibody evaluation, each additional single antibody stain procedure 247 28 $28
88313 Special stained specimen slides to examine tissue including interpretation and report 158 49 $12
88350 Antibody evaluation, each additional single antibody stain procedure 98 11 $28
88305 Pathology examination of tissue using a microscope, intermediate complexity 50 49 $36
88313 Special stained specimen slides to examine tissue including interpretation and report 39 13 $12
88346 Antibody evaluation, initial single antibody stain procedure 34 34 $35
88348 Electron microscopy for diagnosis 25 25 $76
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 16 16 $96
88305 Pathology examination of tissue using a microscope, intermediate complexity 13 13 $37
88342 Special stained specimen slides to examine tissue, initial procedure 13 13 $34

In context: peer comparison

Among 36 peers in this city , average services per provider: 208. This provider delivers 3.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariam Alexander's medical specialty?
Dr. Mariam Alexander practices Anatomic Pathology & Clinical Pathology Physician in Rochester, MN.
Where does Dr. Mariam Alexander practice?
Dr. Mariam Alexander practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. Mariam Alexander's NPI?
Dr. Mariam Alexander's National Provider Identifier (NPI) is 1285861997, issued by NPPES.
Does Dr. Mariam Alexander accept Medicare assignment?
Yes. Dr. Mariam Alexander accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariam Alexander commonly perform?
Top Medicare-reported procedures in 2023: Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313); Antibody evaluation, each additional single antibody stain procedure (HCPCS 88350). Source: CMS Medicare Physician & Other Practitioners file.