Doctor profile · Federal record

Dr. Stephen Lattanzi, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Internal Medicine Physician · Medical Oncology Physician · Mountain Home, AR

  • NPI 1801894555
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 37 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
628 Hospital Dr, Ground Floor, Suite A
Mountain Home, AR 726532953
(870) 425-4402
fax (860) 437-2236
Mailing address
Po Box 2038
Mountain Home, AR 726542038

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
December 15, 2016
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Arkansas #E-9749 · Connecticut #035831
Medicaid
CT #001358317

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801894555. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,236
Distinct HCPCS
10
Medicare allowed
$118,649
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 504 159 $101
99213 Established patient office or other outpatient visit, 20-29 minutes 388 199 $68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 93 43 $83
99205 New patient office or other outpatient visit, 60-74 minutes 64 64 $188
99442 Telephone medical discussion with physician, 11-20 minutes 56 25 $69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 40 39 $181
99215 Established patient office or other outpatient visit, 40-54 minutes 27 22 $150
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 27 18 $52
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 20 $136
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 17 12 $124

In context: peer comparison

Among 5 peers in Mountain Home Hematology & Oncology Physician, average services per provider: 1,521. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$400
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $400.00

By nature of payment

Consulting Fee
$400

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
761
Patients
234
Total drug cost
$245,849
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 112 30 $1,604
Eliquis (Apixaban) Brand 92 25 $72,605
Xarelto (Rivaroxaban) Brand 61 18 $58,705
Tamoxifen Citrate Generic 51 0 $727
Hydroxyurea Generic 49 12 $1,217
Prochlorperazine Maleate Generic 47 32 $657
Acyclovir Generic 44 0 $564
Imatinib Mesylate Generic 43 0 $104,943
Gabapentin Generic 40 13 $659
Loperamide (Loperamide Hcl) Brand 39 20 $331

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Lattanzi's medical specialty?
Dr. Stephen Lattanzi practices Hematology & Oncology Physician in Mountain Home, AR.
Where does Dr. Stephen Lattanzi practice?
Dr. Stephen Lattanzi practices at 628 Hospital Dr, Mountain Home, AR 726532953. Office phone: 8704254402.
What is Dr. Stephen Lattanzi's NPI?
Dr. Stephen Lattanzi's National Provider Identifier (NPI) is 1801894555, issued by NPPES.
Does Dr. Stephen Lattanzi accept Medicare assignment?
Yes. Dr. Stephen Lattanzi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Lattanzi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.