Doctor profile · Federal record

Dr. Joan Osswald, N.P.

Nurse Practitioner · Buffalo, NY

  • NPI 1588686307
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
397 Louisiana St
Buffalo, NY 142042275
(716) 847-6610
fax (716) 854-3052
Mailing address
2875 Union RD, Sutie 21
Cheektowaga, NY 142271470

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 4, 2012
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
New York #330889

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588686307. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
3
Medicare allowed
$15,831
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 122 88 $78
99213 Established patient office or other outpatient visit, 20-29 minutes 50 37 $54
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 34 34 $105

In context: peer comparison

Among 52 peers in Buffalo Nurse Practitioner, average services per provider: 67. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$246
Transactions
13
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 3 $84.54
Sanofi-Aventis U.S. LLC 2 $45.46
Shield Therapeutics INC 2 $27.29
GlaxoSmithKline, LLC. 2 $26.77
Amgen INC. 1 $18.01
Abbvie INC. 1 $15.55
E.R. Squibb & Sons, L.L.C. 1 $14.93
Insulet Corporation 1 $13.85

By nature of payment

Food and Beverage
$246

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,318
Patients
1,680
Total drug cost
$121,622
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,040 286 $20,214
Lisinopril Generic 788 197 $14,169
Amlodipine Besylate Generic 591 166 $8,113
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 490 150 $18,998
Metformin Hcl Generic 451 139 $7,231
Levothyroxine Sodium Generic 449 123 $9,831
Metoprolol Succinate Generic 435 113 $10,142
Omeprazole Generic 372 87 $6,781
Hydrochlorothiazide Generic 320 81 $1,696
Gabapentin Generic 290 71 $7,202

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joan Osswald's medical specialty?
Dr. Joan Osswald practices Nurse Practitioner in Buffalo, NY.
Where does Dr. Joan Osswald practice?
Dr. Joan Osswald practices at 397 Louisiana St, Buffalo, NY 142042275. Office phone: 7168476610.
What is Dr. Joan Osswald's NPI?
Dr. Joan Osswald's National Provider Identifier (NPI) is 1588686307, issued by NPPES.
Does Dr. Joan Osswald accept Medicare assignment?
Yes. Dr. Joan Osswald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joan Osswald 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.