HAROLD H KATZ MD
NPI 1447211859
Internal Medicine - Endocrinology, Diabetes & Metabolism in Saint Paul, MN

Q: What is Harold Katz's NPI number?

The NPI number for Harold Katz is 1447211859. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Q: What is Harold Katz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Q: When was this NPI record last updated?

The NPPES record for Harold Katz was last updated on November 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 March 28, 2006PECOS EnrolledAccepts Medicare Assignment

83.53/100

CMS Quality Rating

255 SMITH AVE N, SUITE 100, SAINT PAUL, MN 55102(651) 241-5000(651) 241-7678 Get Directions Write a Review

NPPES record last updated: November 4, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Harold H Katz Md NPPES

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

HAROLD H KATZ MD (NPI 1447211859) is an individual endocrinology, diabetes & metabolism provider in Saint Paul, Minnesota, licensed in Minnesota (33098) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Allina United Hospital, and is a graduate of Mayo Medical School (1986).

NPPES Registry Identity

NPI1447211859

Entity TypeIndividualMale

Primary Taxonomy207RE0101X

Provider Legal NameHAROLD H KATZCredential: MD

Location Address255 SMITH AVE N, SUITE 100Saint Paul, MN 55102-2572

Mailing Address2925 Chicago AveMinneapolis, MN 55407-1321 · (612) 262-5000 · Fax (612) 262-4258

Phone(651) 241-5000

Fax(651) 241-7678

Sole ProprietorNo

Medical School CMSMayo Medical SchoolGraduated 1986

Enumeration DateMarch 28, 2006

Last NPPES UpdateNovember 4, 2020

NPPES CertifiedNovember 4, 2020

✔ NPI 1447211859 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in MN · 33098

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 33098 (MN)

255 SMITH AVE N, Saint Paul, MN 55102

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Other Identifiers 1

Medicaid732803600MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Harold H Katz 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 ID1355482811

PECOS Enrollment IDI20100105000722

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.

Areas of Expertise CMS Part B claims 36

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.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

2,220 services24 patients

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.

492 services401 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.

377 services243 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.

183 services135 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.

180 services167 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.

140 services117 patients

Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251

This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.

138 services68 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.

126 services89 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

95 services19 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.

85 services81 patients

Blood glucose (sugar) level 82947

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

67 services59 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.

59 services58 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.

55 services53 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.

51 services40 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.

49 services45 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.

46 services41 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.

45 services43 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

45 services31 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.

39 services39 patients

Parathormone (parathyroid hormone) level 83970

The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.

32 services30 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.

31 services31 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.

30 services30 patients

Diabetes outpatient self-management training services, individual, per 30 minutes G0108

This service involves personalized training sessions, each lasting 30 minutes, to help manage diabetes. It includes guidance on monitoring blood sugar, healthy eating, physical activity, medication usage, and dealing with daily challenges of living with diabetes.

30 services13 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

26 services19 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.

24 services24 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.

20 services18 patients

Blood count, hemoglobin 85018

A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.

20 services20 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

18 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

18 services18 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

14 services14 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.

14 services13 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.

13 services13 patients

Phosphate level 84100

A phosphate level test measures the amount of phosphate in your blood. Phosphate is a chemical that contains the mineral phosphorus, crucial for energy production, muscle and nerve function, and bone growth. Imbalances may indicate kidney disease or other health issues.

13 services13 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.

12 services11 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.

11 services11 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Allina United Hospital

Acute Care Hospitals · Saint Paul, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240038

Location333 North Smith AvenueSaint Paul, MN 55102 · Ramsey County

Emergency services Birthing friendly

Abbott Northwestern Hospital

Acute Care Hospitals · Minneapolis, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240057

Location800 East 28th StreetMinneapolis, MN 55407 · Hennepin County

Emergency services Birthing friendly

Mercy Hospital

Acute Care Hospitals · Coon Rapids, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240115

Location4050 Coon Rapids BlvdCoon Rapids, MN 55433 · Anoka 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.

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.

83.53/100

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

Scored as part of a group practice

Quality

81.79

Promoting Interoperability

100

Improvement Activities

Cost

63.31

Referred Medical Equipment & Supplies CMS DME claims 9

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

Supplies for maintenance of insulin infusion catheter, per week A4224

DME-Other DME · category DE017N

15 suppliers105 claims1,293 services$17.45 avg. paid by Medicare

Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225

DME-Other DME · category DE017N

15 suppliers107 claims3,108 services$2.30 avg. paid by Medicare

Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238

DME-Medical/Surgical Supplies · category DA000N

3 suppliers17 claims17 services$174.87 avg. paid by Medicare

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

DME-Other DME · category DE017N

57 suppliers151 claims781 services$6.29 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

22 suppliers41 claims79 services$1.05 avg. paid by Medicare

External ambulatory infusion pump, insulin E0784

DME-Other DME · category DE017N

5 suppliers48 claims48 services$307.51 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 20

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

LISA L ANDERSON MD

Internal Medicine

255 SMITH AVE N, SUITE 100
SAINT PAUL, MN 55102

Ramsey County (651) 241-5000

RENEE MARIE MANNING RN, BSN

Registered Nurse

255 SMITH AVE N, SUITE 100
SAINT PAUL, MN 55102

Ramsey County (651) 298-1209

MS. BETH CHRISTINE JORGENSON RN

Registered Nurse

255 SMITH AVE N, SUITE 100
SAINT PAUL, MN 55102

Ramsey County (651) 726-2719

DR. CRYSTAL RUDELL DNP

Nurse Practitioner

255 SMITH AVE N, SUITE 100
SAINT PAUL, MN 55102

Ramsey County (651) 241-7246

LAWRENCE D CALLANAN JR. MD

Internal Medicine

255 SMITH AVE N, SUITE 100
SAINT PAUL, MN 55102

Ramsey County (651) 241-5000

TIMOTHY SCHENK

Registered Nurse

255 SMITH AVE N, 100
SAINT PAUL, MN 55102

Ramsey County (651) 726-2767

JAMES J WIBERG MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

255 SMITH AVE N, SUITE 100
SAINT PAUL, MN 55102

Ramsey County (651) 241-5000

MUNIR ABID MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

255 SMITH AVE N, SUITE 100
SAINT PAUL, MN 55102

Ramsey County (651) 241-5000

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 Harold Katz's NPI number?

The NPI number for Harold Katz is 1447211859. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Where is Harold Katz located?

Harold Katz practices at 255 Smith Ave N Suite 100, Saint Paul, MN 55102. The listed phone number is (651) 241-5000.

What is Harold Katz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Harold Katz enrolled in Medicare?

Yes. Harold Katz 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.

What insurance does Harold Katz accept?

Health plans from HealthPartners and Medica list Harold Katz 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 Harold Katz affiliated with any hospitals?

According to CMS data, Harold Katz is affiliated with Allina United Hospital, Abbott Northwestern Hospital and Mercy Hospital.

When was this NPI record last updated?

The NPPES record for Harold Katz was last updated on November 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.