NPPES file of Aug 9, 2026

Collin Greer Hardwick, MSN, FNP-C

Family Nurse Practitioner · Memphis, TN

Collin Greer Hardwick, MSN, FNP-C is a family nurse practitioner with a practice address in Memphis, Tennessee, and NPI 1811496052, issued on Feb 2, 2018. Check the license (Tennessee 23846, as entered in NPPES) with the Tennessee 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
1811496052
Name
Collin Greer Hardwick
Credential
MSN, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
23846 TN
Self-reported in NPPES; status is on the state search
Practice location
3950 New Covington Pike Ste 110, Memphis, TN 38128
Phone
(901) 387-2900
Enumerated
Feb 2, 2018
Record last updated
Jul 2, 2026
Fax
(901) 384-1645
Medicare enrollment
Enrolled (PECOS I20180605000159); 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 3950 New Covington Pike Ste 110

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

  1. Jena Burlison, APNFamily Nurse Practitioner1851634166
  2. Allison Hanauer, PH.D.Clinical Psychologist1336296771
  3. Melissa Mayse, APNFamily Nurse Practitioner1366760225
  4. Whitney Slade, M.D.Internal Medicine Physician1225065048

Verify Collin Greer Hardwick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 23846
    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 Tennessee 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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6.7 times the Medicare Part D claims of the average family nurse practitioner in 2024

8,753 Medicare Part D claims for 676 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 84 claims were for opioids.

  1. Collin Hardwick8,753
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium536 claims
  2. Amlodipine Besylate463 claims
  3. Pantoprazole Sodium252 claims
  4. Methylprednisolone203 claims
  5. Albuterol Sulfate Hfa192 claims
  6. Gabapentin187 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.

Bills Medicare through one group practice

  1. Primary Care Group, LLCMemphis, TN

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

Collin Greer Hardwick among 9,060 family nurse practitioner records in Tennessee

Collin Greer Hardwick, MSN, FNP-C is one of 9,060 family nurse practitioner records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 56% of them.

  • NPI issued2018 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2018 · median 2017 among the 5,523 with a school on file
  • Record last updated2026 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

722 family nurse practitioner records list a practice address in Memphis

They are 722 of the 12,794 NPPES records with a practice address in Memphis, and 9,060 family nurse practitioner records in Tennessee.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jena Burlison, APNMemphis, TN 381281851634166
  2. Enid Collie, F.N.P.Memphis, TN 381281346513462
  3. Lisa Erickson, APNMemphis, TN 381281700937141
  4. Tina Johnson, FNPMemphis, TN 381281376835488
  5. Dorinda JonesMemphis, TN 381281598075558
  6. Jennifer Kirby, FNPMemphis, TN 381281598058356
  7. Melissa Mayse, APNMemphis, TN 381281366760225
  8. Corry Mazerac, FNP-BCMemphis, TN 381281891720470

Common questions

What is Collin Greer Hardwick, MSN, FNP-C's NPI number?

Collin Greer Hardwick, MSN, FNP-C's National Provider Identifier (NPI) is 1811496052, issued on Feb 2, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Collin Greer Hardwick, MSN, FNP-C located?

The NPPES record lists a practice address at 3950 New Covington Pike Ste 110, Memphis, TN, 38128. Phone: (901) 387-2900. Providers update this record themselves, so call before visiting.

How can I verify Collin Greer Hardwick, MSN, FNP-C's license?

NPPES lists Tennessee license number 23846, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Collin Greer Hardwick, MSN, FNP-C prescribe under Medicare Part D?

In 2024, Collin Greer Hardwick, MSN, FNP-C had 8,753 Medicare Part D claims for 676 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.