EDGAR L ALONSOZANA MD
NPI 1649212085
Pathology - Clinical Pathology/Laboratory Medicine in Baltimore, MD

Q: What is Edgar Alonsozana's NPI number?

The NPI number for Edgar Alonsozana is 1649212085. It was assigned to this individual provider in the NPPES registry on June 11, 2006.

Q: What is Edgar Alonsozana's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Q: When was this NPI record last updated?

The NPPES record for Edgar Alonsozana was last updated on June 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 11, 2006PECOS EnrolledAccepts Medicare Assignment

83.33/100

CMS Quality Rating

301 SAINT PAUL PL, DEPARTMENT OF PATHOLOGY, BALTIMORE, MD 21202(410) 332-9882(410) 234-2558 Get Directions Write a Review

NPPES record last updated: June 10, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Edgar L Alonsozana Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EDGAR L ALONSOZANA MD (NPI 1649212085) is an individual clinical pathology/laboratory medicine provider in Baltimore, Maryland, licensed in Maryland (D51140) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1649212085

Entity TypeIndividualMale

Primary Taxonomy207ZP0105X

Provider Legal NameEDGAR L ALONSOZANACredential: MD

Location Address301 SAINT PAUL PL, DEPARTMENT OF PATHOLOGYBaltimore, MD 21202-2102

Mailing AddressPo Box 64075Baltimore, MD 21264-4075

Phone(410) 332-9882

Fax(410) 234-2558

Sole ProprietorYes

Medical School CMSOtherGraduated 1987

Enumeration DateJune 11, 2006

Last NPPES UpdateJune 10, 2010

✔ NPI 1649212085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0105X

License✔ Licensed in MD · D51140

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

301 SAINT PAUL PL, Baltimore, MD 21202

Open in Google Maps ↗

Other Identifiers 6

Medicare ID-Type UnspecifiedS797 / 692W

OtherS185 / 0013MD · Bluechoice

OtherS797ST / S797STMD · Bc / Bs Of Md

OtherKU59ST / 603146-01MD · Bc / Bs Of Md

Medicare UPING79659

Medicaid100320800MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Edgar L Alonsozana Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527191899

PECOS Enrollment IDI20100806000578

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Edgar Alonsozana reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Saint Paul Place Specialists, Inc.

Same address

Clinical Pathology/Laboratory Medicine

301 ST PAUL PLACE
Baltimore, MD 21202

Reassigned Medicare billing, Maryland enrollment
Medicare enrollment name: St Paul Place Specialists, Inc.
423 clinicians in this Medicare group

NPI 1053352070 (410) 332-9882

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 37

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

356 services192 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

241 services142 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

210 services106 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

205 services48 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

191 services147 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

132 services45 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

125 services100 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

118 services87 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

112 services66 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

106 services35 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

101 services34 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

98 services34 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

71 services23 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

70 services47 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

68 services41 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

66 services38 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

64 services62 patients

Urinalysis using microscope 81015

Urinalysis with a microscope is a test that helps detect issues in your body. A small sample of your urine is examined under a microscope. This allows the detection of substances not visible to the naked eye, aiding in diagnosing various health conditions.

58 services44 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

58 services50 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

54 services17 patients

Bacterial culture for aerobic isolates 87077

A bacterial culture for aerobic isolates is a lab test that helps identify bacteria that thrive in oxygen-rich environments. A sample from the suspected infection site is collected, then placed in a special medium that promotes bacterial growth. After a set period, the lab identifies any bacteria present, aiding in accurate diagnosis and treatment.

52 services16 patients

Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution 87186

This process checks how well certain drugs, like antibiotics, can fight against infections. It involves mixing the drug with a microbe (like bacteria or a virus) in a lab. By observing how the microbe reacts, it helps determine the best drug to treat your infection.

52 services16 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

51 services32 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

46 services16 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

46 services20 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

43 services39 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

36 services31 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

27 services21 patients

Red blood cell sedimentation rate, to detect inflammation, automated 85652

The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.

25 services16 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

25 services24 patients

Urine microalbumin (protein) level 82043

The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.

24 services19 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

22 services19 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

21 services21 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

18 services12 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

17 services15 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

16 services13 patients

Prostate cancer screening; prostate specific antigen test (psa) G0103

Prostate cancer screening involves a simple blood test known as the Prostate Specific Antigen (PSA) test. This test measures the level of PSA in your blood. Higher than normal levels can be an early indication of prostate issues, including cancer. It's a key tool in early detection.

13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210008

Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.33/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

69.7

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRIDGIT ANN MENA PA-C

Physician Assistant

301 SAINT PAUL PL, ORTHOPEDIC AND JOINT REPLACEMENT
BALTIMORE, MD 21202

Baltimore City (410) 539-2227

SCOTT MCPHERSON M.D

Emergency Medicine

301 SAINT PAUL PL
BALTIMORE, MD 21202

Baltimore City (410) 332-9809

VASCULAR SPECIALTY SERVICES, LLC

Surgery (Vascular Surgery)

301 SAINT PAUL PL, 5TH FLOOR
BALTIMORE, MD 21202

Baltimore City (410) 332-9404

MICHAEL GOLDMAN MD

Radiology (Diagnostic Radiology)

301 SAINT PAUL PL, RADIOLOGY DEPT
BALTIMORE, MD 21202

Baltimore City (410) 332-9266

ROBERT A THOMPSON JR. MD

Urology

301 SAINT PAUL PL, POB 802
BALTIMORE, MD 21202

Baltimore City (410) 332-9654

KAMALA H LITTLETON MD

Orthopaedic Surgery

301 SAINT PAUL PL, POB 804
BALTIMORE, MD 21202

Baltimore City (410) 539-2227

ARCHANA SHARMA CNM

Advanced Practice Midwife

301 SAINT PAUL PL, TOWER # 306
BALTIMORE, MD 21202

Baltimore City (410) 385-5151

JENNY ELLEN FRITTS

Physical Therapist

301 SAINT PAUL PL
BALTIMORE, MD 21202

Baltimore City (410) 659-2933

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Edgar Alonsozana's NPI number?

The NPI number for Edgar Alonsozana is 1649212085. It was assigned to this individual provider in the NPPES registry on June 11, 2006.

Where is Edgar Alonsozana located?

Edgar Alonsozana practices at 301 Saint Paul Pl Department Of Pathology, Baltimore, MD 21202. The listed phone number is (410) 332-9882.

What is Edgar Alonsozana's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Edgar Alonsozana enrolled in Medicare?

Yes. Edgar Alonsozana is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Edgar Alonsozana's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Edgar Alonsozana reassigns Medicare benefits to Saint Paul Place Specialists, Inc. (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Edgar Alonsozana's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Edgar Alonsozana affiliated with any hospitals?

According to CMS data, Edgar Alonsozana is affiliated with Mercy Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Edgar Alonsozana was last updated on June 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.