Doctor profile · Federal record

Dr. Anne Klassert, NP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Stony Brook, NY

  • NPI 1467448985
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 33 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
University Hospital at Stony Brook, Hsc T-9 Rm 040
Stony Brook, NY 117940001
(631) 444-1205
fax (631) 444-7620

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
New York #F300922-1
Medicaid
NY #02322223

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467448985. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
318
Distinct HCPCS
5
Medicare allowed
$36,828
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 145 111 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 82 66 $128
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $168
51703 Complicated insertion of bladder tube 23 12 $150
51702 Simple insertion of temporary bladder tube 17 12 $64

In context: peer comparison

Among 14 peers in this city , average services per provider: 106. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,318
Transactions
34
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 6 $254.81
180 Medical, Inc. 1 $174.97
Bayer Healthcare Pharmaceuticals Inc. 3 $154.96
Amgen Inc. 1 $124.99
Blue Earth Diagnostics Limited 5 $101.74
Ferring Pharmaceuticals Inc. 4 $94.07
Neurelis, Inc. 1 $81.03
UROGEN PHARMA, INC. 2 $68.73
Astellas Pharma US Inc 3 $48.69
Tolmar, Inc. 2 $38.35
PFIZER INC. 2 $36.44
Sumitomo Pharma America, Inc. 1 $29.33
Telix Pharmaceuticals 1 $27.79
Photocure Inc 1 $27.07
COLOPLAST CORP 1 $20.57

By nature of payment

Food and Beverage
$1,318

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
690
Patients
297
Total drug cost
$92,456
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 219 87 $6,892
Finasteride Generic 91 38 $1,217
Myrbetriq (Mirabegron) Brand 65 34 $67,708
Alfuzosin Hcl Er (Alfuzosin Hcl) Brand 48 21 $2,178
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 44 38 $342
Dutasteride Generic 33 14 $1,078
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 30 22 $522
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 30 16 $887
Cephalexin Generic 27 13 $444
Methenamine Hippurate Generic 26 0 $3,431

Frequently asked questions

Auto-generated from federal data
What is Dr. Anne Klassert's medical specialty?
Dr. Anne Klassert practices Adult Health Nurse Practitioner in Stony Brook, NY.
Where does Dr. Anne Klassert practice?
Dr. Anne Klassert practices at University Hospital at Stony Brook, Stony Brook, NY 117940001. Office phone: 6314441205.
What is Dr. Anne Klassert's NPI?
Dr. Anne Klassert's National Provider Identifier (NPI) is 1467448985, issued by NPPES.
Does Dr. Anne Klassert accept Medicare assignment?
Yes. Dr. Anne Klassert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anne Klassert commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.