NPPES file of Aug 9, 2026

Joan M. Osswald, N.P.

Nurse Practitioner · Buffalo, NY

Joan M. Osswald, N.P. is a nurse practitioner with a practice address in Buffalo, New York, and NPI 1588686307, issued on Jul 24, 2006. Check the license (New York 330889, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588686307
Name
Joan M. Osswald
Credential
N.P.
Primary taxonomy
Nurse Practitioner 363L00000X
License number
330889 NY
Self-reported in NPPES; status is on the state search
Practice location
397 Louisiana St, Buffalo, NY 14204
Phone
(716) 847-6610
Enumerated
Jul 24, 2006
Record last updated
Jan 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(716) 854-3052
Medicare enrollment
Enrolled (PECOS I20040707000067); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 397 Louisiana St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shahid Banday, MBBSInternal Medicine Physician1154656031
  2. Elisabeth Britton, MDFamily Medicine Physician1902893860
  3. Elaine Clutterbuck, CNMAdvanced Practice Midwife1124081070
  4. Merna George, MDFamily Medicine Physician1083285282
  5. Christine Hatem, N.P.Pediatric Nurse Practitioner1861423584
  6. Samantha Jenkins, RPAMedical Physician Assistant1841504313

Verify Joan M. Osswald in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 330889
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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11.5 times the Medicare Part D claims of the average nurse practitioner in 2024

12,741 Medicare Part D claims for 969 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 89 claims were for opioids.

  1. Joan Osswald12,741
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium991 claims
  2. Lisinopril770 claims
  3. Amlodipine Besylate606 claims
  4. Albuterol Sulfate Hfa494 claims
  5. Metformin Hcl475 claims
  6. Metoprolol Succinate411 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $246.40

13 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joan Osswald$246.40
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sisters OF Charity Hospital OF Buffalo New YorkCheektowaga, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joan M. Osswald among 3,097 nurse practitioner records in New York

Joan M. Osswald, N.P. is one of 3,097 nurse practitioner records with a practice address in New York. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 70% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated1994 · median 2017 among the 1,360 with a school on file
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

221 nurse practitioner records list a practice address in Buffalo

They are 221 of the 13,287 NPPES records with a practice address in Buffalo, and 3,097 nurse practitioner records in New York.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Awtumn Miles, FNP-BCBuffalo, NY 142041770288862
  2. Anabelen Taylor, FNP-BC.MSNBuffalo, NY 142041063097772
  3. Tijen Arslan, DNPBuffalo, NY 142031043865181
  4. Gordon Bolles, NPBuffalo, NY 142031013538461
  5. Nicole D'Arcy, NPBuffalo, NY 142031265075899
  6. Fathi HassanBuffalo, NY 142031306695937
  7. Megan Joslin, DNP FNPBuffalo, NY 142031962264663
  8. Alyssa Krajewski, FNP-CBuffalo, NY 142031669117313

Common questions

What is Joan M. Osswald, N.P.'s NPI number?

Joan M. Osswald, N.P.'s National Provider Identifier (NPI) is 1588686307, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joan M. Osswald, N.P. located?

The NPPES record lists a practice address at 397 Louisiana St, Buffalo, NY, 14204. Phone: (716) 847-6610. Providers update this record themselves, so call before visiting.

How can I verify Joan M. Osswald, N.P.'s license?

NPPES lists New York license number 330889, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Joan M. Osswald, N.P. prescribe under Medicare Part D?

In 2024, Joan M. Osswald, N.P. had 12,741 Medicare Part D claims for 969 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.