John Andrew Giffen, APRN
Psychiatric/Mental Health Nurse Practitioner · Nashville, TN
John Andrew Giffen, APRN is a psychiatric/mental health nurse practitioner with a practice address in Nashville, Tennessee, and NPI 1184270068, issued on Aug 15, 2019. Check the license (Tennessee 26636, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Andrew Giffen
- Credential
- APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 26636 TN
233107 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1921 Ransom PL, Nashville, TN 37217
- Phone
- (615) 279-6700
- Enumerated
- Aug 15, 2019
- Record last updated
- Oct 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200109002287); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 1,611 in Tennessee → Look up another NPI →
Also registered at 1921 Ransom PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shellie AhrensCase Manager/Care Coordinator1003103466
- Anne Alexander, M.S.W.Clinical Social Worker1922303890
- Kate AlexanderCase Manager/Care Coordinator1770138976
- Alicia Allen, BSCase Manager/Care Coordinator1629562699
- Diane Allen, RN, APN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1508139924
- Tiffany AlleySocial Worker1144726100
Verify John Andrew Giffen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 26636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
2,238 Medicare Part D claims for 129 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Trazodone Hcl273 claims
- Lamotrigine128 claims
- Buspirone Hcl103 claims
- Quetiapine Fumarate98 claims
- Risperidone94 claims
- Aripiprazole90 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: $710.77
46 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Centerstone OF Tennesse, Inc.Nashville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Andrew Giffen among 1,611 psychiatric/mental health nurse practitioner records in Tennessee
John Andrew Giffen, APRN is one of 1,611 psychiatric/mental health nurse practitioner records with a practice address in Tennessee. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 42% of them.
- NPI issued2019 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2020 among the 929 with a school on file
- Record last updated2019 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
295 psychiatric/mental health nurse practitioner records list a practice address in Nashville
They are 295 of the 24,357 NPPES records with a practice address in Nashville, and 1,611 psychiatric/mental health nurse practitioner records in Tennessee.
All 1,611 in Tennessee → Every provider in Nashville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Diane Allen, RN, APN, PMHNP-BCNashville, TN 372171508139924
- Traci Boswell, A.P.NNashville, TN 372171891758413
- Charlene Donovan, APRNNashville, TN 372171699294595
- Brittany Haemmerlein, R.N., A.P.N., PMHNPNashville, TN 372171386880185
- Julie Johnson, PMHNPNashville, TN 372171386911535
- Robert McKeown, PMHNPNashville, TN 372171801414537
- Caylin MoenNashville, TN 372171164883500
- Latisha Pike, M.S.N.Nashville, TN 372171740613447
Common questions
What is John Andrew Giffen, APRN's NPI number?
John Andrew Giffen, APRN's National Provider Identifier (NPI) is 1184270068, issued on Aug 15, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John Andrew Giffen, APRN located?
The NPPES record lists a practice address at 1921 Ransom PL, Nashville, TN, 37217. Phone: (615) 279-6700. Providers update this record themselves, so call before visiting.
How can I verify John Andrew Giffen, APRN's license?
NPPES lists Tennessee license number 26636, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does John Andrew Giffen, APRN prescribe under Medicare Part D?
In 2024, John Andrew Giffen, APRN had 2,238 Medicare Part D claims for 129 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.