NPPES file of Aug 9, 2026

Christopher Allen Chamberlain, NP-C

Family Nurse Practitioner · Greeneville, TN

Christopher Allen Chamberlain, NP-C is a family nurse practitioner with a practice address in Greeneville, Tennessee, and NPI 1528619335, issued on Sep 23, 2019. Check the license (Tennessee 26569, 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
1528619335
Name
Christopher Allen Chamberlain
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
26569 TN
Self-reported in NPPES; status is on the state search
Practice location
1420 Tusculum Blvd, Greeneville, TN 37745
Phone
(423) 787-5090
Enumerated
Sep 23, 2019
Record last updated
Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20191120002338); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →

Also registered at 1420 Tusculum Blvd

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

  1. Arthur Adams, MDDiagnostic Radiology Physician1235190489
  2. Bukola Afilaka, MDInternal Medicine Physician1619268455
  3. Victoria Bailey, OTR/LOccupational Therapist1235095662
  4. Kelli Barnett, OTROccupational Therapist1972351724
  5. David Beals, MDHospitalist Physician1710963277
  6. Courtney Boren, OTR/LOccupational Therapist1619233533

Verify Christopher Allen Chamberlain 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 26569    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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81% fewer Medicare Part D claims than the average family nurse practitioner in 2024

254 Medicare Part D claims for 154 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 15 claims were for opioids.

  1. Christopher Chamberlain254
  2. Specialty average1,305

Most prescribed

  1. Prednisone34 claims
  2. Doxycycline Hyclate19 claims
  3. Levofloxacin14 claims
  4. Sulfamethoxazole-Trimethoprim13 claims
  5. Ondansetron Odt12 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. Tri-Cities Regional Emergency Physicians, PCRogersville, TN

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

Christopher Allen Chamberlain among 9,060 family nurse practitioner records in Tennessee

Christopher Allen Chamberlain, NP-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 2019, is newer than 61% of them.

  • NPI issued2019 · 61% of these records are older, 33% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2019 · median 2017 among the 5,523 with a school on file
  • Record last updated2021 · 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).

86 family nurse practitioner records list a practice address in Greeneville

They are 86 of the 773 NPPES records with a practice address in Greeneville, and 9,060 family nurse practitioner records in Tennessee.

All 9,060 in Tennessee → Every provider in Greeneville → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Laura Azima, FNPGreeneville, TN 377451730320243
  2. Tanyelle Bellamy, FNPGreeneville, TN 377451801043120
  3. Sylvia Boesch-Lewis, FNP-BCGreeneville, TN 377451992946875
  4. Ann Espey, APNGreeneville, TN 377451073874277
  5. Susan Flaglor, FNPGreeneville, TN 377451851300990
  6. Angela Greer, NPGreeneville, TN 377451770753642
  7. Aimee Henley, F.N.PGreeneville, TN 377451194075374
  8. Leslie Henry, NPGreeneville, TN 377451780937763

Common questions

What is Christopher Allen Chamberlain, NP-C's NPI number?

Christopher Allen Chamberlain, NP-C's National Provider Identifier (NPI) is 1528619335, issued on Sep 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Allen Chamberlain, NP-C located?

The NPPES record lists a practice address at 1420 Tusculum Blvd, Greeneville, TN, 37745. Phone: (423) 787-5090. Providers update this record themselves, so call before visiting.

How can I verify Christopher Allen Chamberlain, NP-C's license?

NPPES lists Tennessee license number 26569, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Christopher Allen Chamberlain, NP-C prescribe under Medicare Part D?

In 2024, Christopher Allen Chamberlain, NP-C had 254 Medicare Part D claims for 154 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.