NPPES file of Aug 9, 2026

Tammy J. Cost, CNS

Acute Care Nurse Practitioner · Cincinnati, OH

Tammy J. Cost, CNS is an acute care nurse practitioner with a practice address in Cincinnati, Ohio, and NPI 1508290339, issued on Aug 28, 2013. Check the license (Ohio COA 16129-NP, as entered in NPPES) with the Ohio 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508290339
Name
Tammy J. Cost
Credential
CNS
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License numbers
COA 16129-NP OH
COA.12726-NS OH
Self-reported in NPPES; status is on the state search
Practice location
330 Straight St Ste 400, Cincinnati, OH 45219
Phone
(513) 624-0999
Enumerated
Aug 28, 2013
Record last updated
Jul 3, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicaid ID
0104506 OH
Medicare enrollment
Enrolled (PECOS I20210310000837); 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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Verify Tammy J. Cost in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license COA 16129-NP
    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 Ohio license search

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95% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

29 Medicare Part D claims, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.

  1. Tammy Cost29
  2. Specialty average594

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score48.3
  2. Costout of 100 · 30%57.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Milton S Hershey Medical Center Physicians GroupHershey, PA

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

Tammy J. Cost among 1,679 acute care nurse practitioner records in Ohio

Tammy J. Cost, CNS is one of 1,679 acute care nurse practitioner records with a practice address in Ohio. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 21% of them.

  • NPI issued2013 · 21% of these records are older, 75% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2014 · median 2019 among the 1,318 with a school on file
  • Record last updated2014 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Ohio

There are 1,679 acute care nurse practitioner records in Ohio.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Linda Baas, CNPCincinnati, OH 452191932203403
  2. Kory Billiter, ACNP-BCCincinnati, OH 452191184940561
  3. Jennifer Clark, NPCincinnati, OH 452191992086219
  4. Jennifer Clayton, CNPCincinnati, OH 452191174854913
  5. Veronica Crump, APRNCincinnati, OH 452191871559435
  6. Russell Hoffman, CNPCincinnati, OH 452191346284221
  7. Kimberly Hoffman, CNPCincinnati, OH 452191013926021
  8. Mary Hoffmann, ACNP-BCCincinnati, OH 452191306121199

Common questions

What is Tammy J. Cost, CNS's NPI number?

Tammy J. Cost, CNS's National Provider Identifier (NPI) is 1508290339, issued on Aug 28, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Tammy J. Cost, CNS located?

The NPPES record lists a practice address at 330 Straight St Ste 400, Cincinnati, OH, 45219. Phone: (513) 624-0999. Providers update this record themselves, so call before visiting.

How can I verify Tammy J. Cost, CNS's license?

NPPES lists Ohio license number COA 16129-NP, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy J. Cost, CNS prescribe under Medicare Part D?

In 2024, Tammy J. Cost, CNS had 29 Medicare Part D claims; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.

What is Tammy J. Cost, CNS's MIPS final score?

The 2023 MIPS final score is 71.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.