Doctor profile · Federal record

Dr. Harold Katz, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Saint Paul, MN

  • NPI 1447211859
  • Accepts Medicare
  • MIPS 83.5 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
255 Smith Ave N, Suite 100
Saint Paul, MN 551022572
(651) 241-5000
fax (651) 241-7678
Mailing address
2925 Chicago Ave
Minneapolis, MN 554071321

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
November 4, 2020
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Minnesota #33098
Medicaid
MN #732803600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447211859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,732
Distinct HCPCS
10
Medicare allowed
$175,080
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 2,160 22 $23
36415 Insertion of needle into vein for collection of blood sample 758 528 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 460 262 $125
80048 Blood test, basic group of blood chemicals (calcium, total) 309 259 $8
83036 Hemoglobin a1c level 298 152 $9
82947 Blood glucose (sugar) level 141 93 $4
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 139 67 $33
84443 Blood test, thyroid stimulating hormone (tsh) 112 105 $16
99215 Established patient office or other outpatient visit, 40-54 minutes 108 77 $172
J3489 Injection, zoledronic acid, 1 mg 100 20 $8

In context: peer comparison

Among 10 peers in this city , average services per provider: 286. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$412
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Dexcom, Inc. 1 $123.39
Sequel Med Tech, LLC 1 $102.77
Novo Nordisk Inc 3 $96.81
Medtronic, Inc. 1 $88.89

By nature of payment

Food and Beverage
$315
Education
$97

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,399
Patients
951
Total drug cost
$1,074,543
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 755 209 $18,286
Atorvastatin Calcium Generic 343 96 $7,006
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 307 93 $228,027
Metformin Hcl Er (Metformin Hcl) Brand 265 66 $5,842
Synthroid (Levothyroxine Sodium) Brand 242 58 $28,341
Metformin Hcl Generic 228 64 $8,046
Lisinopril Generic 195 62 $3,084
Gabapentin Generic 155 38 $5,741
Novolog Flexpen (Insulin Aspart) Brand 148 52 $194,514
Humalog Kwikpen U-100 (Insulin Lispro) Brand 136 45 $151,939

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Katz's medical specialty?
Dr. Harold Katz practices Endocrinology, Diabetes & Metabolism Physician in Saint Paul, MN.
Where does Dr. Harold Katz practice?
Dr. Harold Katz practices at 255 Smith Ave N, Saint Paul, MN 551022572. Office phone: 6512415000.
What is Dr. Harold Katz's NPI?
Dr. Harold Katz's National Provider Identifier (NPI) is 1447211859, issued by NPPES.
Does Dr. Harold Katz accept Medicare assignment?
Yes. Dr. Harold Katz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harold Katz commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.