CHARLES LEO CALLAGHAN MD
NPI 1649369489
Internal Medicine in Saint Paul, MN

Q: What is Charles Callaghan's NPI number?

The NPI number for Charles Callaghan is 1649369489. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Q: What is Charles Callaghan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Charles Callaghan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 October 12, 2006PECOS EnrolledAccepts Medicare Assignment

17 W EXCHANGE ST, SUITE 420, SAINT PAUL, MN 55102(651) 232-4125(651) 232-4127 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Charles Leo Callaghan Md NPPES

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

CHARLES LEO CALLAGHAN MD (NPI 1649369489) is an individual internal medicine provider in Saint Paul, Minnesota, licensed in Minnesota (37316) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Fairview Lakes Health Services, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1993).

NPPES Registry Identity

NPI1649369489

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameCHARLES LEO CALLAGHANCredential: MD

Location Address17 W EXCHANGE ST, SUITE 420Saint Paul, MN 55102

Mailing Address17 W Exchange St, Suite 420Saint Paul, MN 55102-1035 · (651) 232-4125 · Fax (651) 232-4127

Phone(651) 232-4125

Fax(651) 232-4127

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1993

Enumeration DateOctober 12, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1649369489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MN · 37316

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

17 W EXCHANGE ST, Saint Paul, MN 55102

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Other Identifiers 2

Medicare ID-Type Unspecified10003661

Medicare UPING25708

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan.Insurance ›

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

Charles Leo Callaghan 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 ID8325037211

PECOS Enrollment IDI20100817001696

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 Reassignments

Medicare enrollment records show Charles Callaghan reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Fairview Clinics

0.2 mi

Primary Care

45 10TH ST W
Saint Paul, MN 55102

Reassigned Medicare billing, Minnesota enrollment
2,302 clinicians in this Medicare group

NPI 1396552147 (651) 232-4990

Healtheast Medical Research Insititue

0.2 mi

Internal Medicine

45 10TH STREET WEST
Saint Paul, MN 55102

Reassigned Medicare billing, Minnesota enrollment
Medicare enrollment name: Healtheast Medical Research Institute
2,361 clinicians in this Medicare group

NPI 1417145517 (651) 232-3000

Fairview Bethesda Hospital

0.5 mi

Long Term Care Hospital

45 10TH ST W
Saint Paul, MN 55102

Reassigned Medicare billing, Minnesota enrollment
671 clinicians in this Medicare group

NPI 1194787465 (651) 232-2000

Healtheast St. John's Hospital

3.6 mi

Anesthesiology

1700 UNIVERSITY AVE W
Saint Paul, MN 55104

Reassigned Medicare billing, Minnesota enrollment
1,178 clinicians in this Medicare group

NPI 1558240853 (855) 324-7843

Healtheast Woodwinds Hospital

6.3 mi

General Acute Care Hospital

1925 WOODWINDS DR
Woodbury, MN 55125

Reassigned Medicare billing, Minnesota enrollment
955 clinicians in this Medicare group

NPI 1356309322 (651) 232-0100

Fairview Health Services

6.9 mi

General Acute Care Hospital

2450 RIVERSIDE AVE, OUTREACH LAB DEPARTMENT
Minneapolis, MN 55454

Reassigned Medicare billing, Minnesota enrollment
4,038 clinicians in this Medicare group

NPI 1316008212 (612) 273-7838

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 33

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.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

364 services196 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

338 services177 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.

227 services179 patients

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.

188 services165 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

161 services161 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.

159 services148 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.

150 services129 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.

136 services89 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

134 services84 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.

110 services66 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.

85 services82 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.

81 services77 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.

72 services51 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.

71 services69 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.

67 services67 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.

40 services38 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

40 services39 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.

38 services36 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.

38 services36 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

38 services38 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

37 services37 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.

36 services36 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

35 services35 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

31 services30 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.

25 services20 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

23 services21 patients

Natriuretic peptide (heart and blood vessel protein) level 83880

A natriuretic peptide level test is a blood test that helps doctors check for heart failure. It measures the amount of certain proteins that your heart and blood vessels produce when they are under stress. High levels may indicate heart disease.

22 services16 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.

18 services16 patients

Liver function blood test panel 80076

A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.

14 services13 patients

Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 87637

This test identifies if you have COVID-19, influenza A or B, or respiratory syncytial virus. It uses a multiplex amplified probe technique, which amplifies and detects specific genetic material of the viruses, helping in accurate diagnosis.

14 services14 patients

Lipase (fat enzyme) level 83690

A Lipase Level test measures the amount of lipase in your blood. Lipase is an enzyme that helps your body digest fats. High or low levels can indicate problems with your pancreas, such as pancreatitis or other conditions. This test helps your doctor diagnose and monitor these conditions.

13 services11 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

13 services12 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Fairview Lakes Health Services

Acute Care Hospitals · Wyoming, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240050

Location5200 Fairview BoulevardWyoming, MN 55092 · Chisago County

Emergency services Birthing friendly

M Health Fairview University Of Mn

Acute Care Hospitals · Minneapolis, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240080

Location2450 Riverside AvenueMinneapolis, MN 55454 · Hennepin County

Emergency services Birthing friendly

M Health Fairview Ridges Hospital

Acute Care Hospitals · Burnsville, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number240207

Location201 East Nicollet BoulevardBurnsville, MN 55337 · Dakota County

Emergency services Birthing friendly

M Health Fairview St John's Hospital

Acute Care Hospitals · Maplewood, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240210

Location1575 Beam AvenueMaplewood, MN 55109 · Ramsey County

Emergency services Birthing friendly

M Health Fairview Woodwinds Hospital

Acute Care Hospitals · Woodbury, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240213

Location1925 Woodwinds DriveWoodbury, MN 55125 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55102 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

$127.61 typical visit price

range $56.00 – $168.28

Typical copayment $31.90 (range $14.00 – $42.07)

Most-billed visit code 99204

Established Patient

$98.61 typical visit price

range $18.32 – $138.04

Typical copayment $24.65 (range $4.58 – $34.51)

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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

14 suppliers43 claims152 services$5.07 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

10 suppliers17 claims26 services$0.80 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

1 supplier14 claims26 services$8.65 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

2 suppliers13 claims13 services$45.37 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

2 suppliers11 claims66 services$1.76 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier13 claims13 services$192.98 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

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

METROPOLITAN OBSTETRICS & GYNECOLOGY

Obstetrics & Gynecology

17 W EXCHANGE ST, SUITE 622
ST PAUL, MN 55102

Ramsey County (651) 227-9141

JOAN MARIE MADSEN RNC CNP

Nurse Practitioner (Obstetrics & Gynecology)

17 W EXCHANGE ST, #622
ST PAUL, MN 55102

Ramsey County (651) 227-9141

DAVID JOSEPH GROPPOLI MD

Internal Medicine

17 W EXCHANGE ST, SUITE 420
ST PAUL, MN 55102

Ramsey County (651) 232-4125

ELIZABETH JACOBSON CRNFA

Registered Nurse (Registered Nurse First Assistant)

17 W EXCHANGE ST, 622 METROPOLITAN OB AND GYN
ST PAUL, MN 55102

Ramsey County (651) 227-9141

JAMES JOSEPH FINELL MD

Internal Medicine

17 W EXCHANGE ST, SUITE 420
ST PAUL, MN 55102

Ramsey County (651) 232-4125

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 Charles Callaghan's NPI number?

The NPI number for Charles Callaghan is 1649369489. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is Charles Callaghan located?

Charles Callaghan practices at 17 W Exchange St Suite 420, Saint Paul, MN 55102. The listed phone number is (651) 232-4125.

What is Charles Callaghan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Charles Callaghan enrolled in Medicare?

Yes. Charles Callaghan 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 organizations bill Medicare for Charles Callaghan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Callaghan reassigns Medicare benefits to 6 organizations: Fairview Clinics (Saint Paul, MN), Healtheast Medical Research Insititue (Saint Paul, MN), Fairview Bethesda Hospital (Saint Paul, MN), Healtheast St. John's Hospital (Saint Paul, MN), Healtheast Woodwinds Hospital (Woodbury, MN) and 1 more organization, listed in the Medicare section above. Each 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 Charles Callaghan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Callaghan accept?

Health plans from Sanford Health Plan list Charles Callaghan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Charles Callaghan affiliated with any hospitals?

According to CMS data, Charles Callaghan is affiliated with Fairview Lakes Health Services, M Health Fairview University Of Mn, M Health Fairview Ridges Hospital, M Health Fairview St John's Hospital and M Health Fairview Woodwinds Hospital.

When was this NPI record last updated?

The NPPES record for Charles Callaghan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.