HAROLD H KATZ (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1447211859
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
194 ENDOCRINOLOGY in MN
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Provider Addresses for HAROLD H KATZ (MD)
Chicago Av, Washington Avenue South, Minneapolis, Hennepin County, Minnesota, 55415:55454, United States
MINNEAPOLIS, MN 554071321
Phone: (612) 262-5000
Fax: (612) 262-4258
Type: Mailing
John Nasseff Medical Center, 255, Smith Avenue North, West Seventh - Fort Road, Saint Paul, Ramsey County, Minnesota, 55102, United States
SUITE 100
SAINT PAUL, MN 551022572
Phone: (651) 241-5000
Fax: (651) 241-7678
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $1,073.
Total Amount is formed as General ($1,073) + Research ($0) + Ownership ($0) = $1,073.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Dexcom, Inc. ($327).
Total Amount
$1,073
General + Research + Ownership
Payments
16
Total payment records
General Amount
$1,073
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Dexcom, Inc. | $327 |
| Medtronic, Inc. | $283 |
| Novo Nordisk Inc | $194 |
| CeQur Corporation | $117 |
| Sequel Med Tech, LLC | $103 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-01-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100105000722 | I | Endocrinology | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 2,160 | 22 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 758 | 528 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 460 | 262 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 309 | 259 | $0 |
| 83036 | Hemoglobin a1c level | 298 | 152 | $0 |
Insurance plans in this area (ZIP 55407)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ENDOCRINOLOGY | MN | 83036 | Hemoglobin A1C level | 241 | 111 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | CO | |
| Qualified Audiologist | MN | |
| Family Practice | MN | |
| - | MN | |
| Family Practice | MN | |
| Nurse Practitioner | ND | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN |
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