NPPES file of Aug 9, 2026

Nathan Wasson Massengill, M.D.

Psychiatry Physician · Greensboro, NC

Nathan Wasson Massengill, M.D. is a psychiatry physician with a practice address in Greensboro, North Carolina, and NPI 1124523428, issued on Mar 28, 2018. Check the license (North Carolina 2022-01113, as entered in NPPES) on the North Carolina Medical Board; 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
1124523428
Name
Nathan Wasson Massengill
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
2022-01113 NC
Self-reported in NPPES; status is on the state search
Practice location
700 Walter Reed Dr, Greensboro, NC 27403
Phone
(336) 832-9700
Enumerated
Mar 28, 2018
Record last updated
Jul 21, 2022
Medicare enrollment
Enrolled (PECOS I20220822002381); 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 700 Walter Reed Dr

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

  1. Regina Alexander, MSW, LCSWClinical Social Worker1053509893
  2. Louise Barthold, PMHNPPsychiatric/Mental Health Nurse Practitioner1659043297
  3. Jordan Beltran, RNRegistered Nurse1427993781
  4. Jason Berry, PMHNP-BC, FNP-CPsychiatric/Mental Health Nurse Practitioner1437680196
  5. Mary Alice Bowman, LCSWClinical Social Worker1801206420
  6. Jennifer Brown, LPCProfessional Counselor1790115723

Verify Nathan Wasson Massengill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2022-01113
    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
Open the North Carolina license search

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74% fewer Medicare Part D claims than the average psychiatry physician in 2024

258 Medicare Part D claims for 50 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Nathan Massengill258
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl31 claims
  2. Hydroxyzine Hcl28 claims
  3. Gabapentin15 claims
  4. Aripiprazole11 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. Carolinas Medical CenterCharlotte, NC

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

Nathan Wasson Massengill among 1,725 psychiatry physician records in North Carolina

Nathan Wasson Massengill, M.D. is one of 1,725 psychiatry physician records with a practice address in North Carolina. 69% 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 83% of them.

  • NPI issued2018 · 83% of these records are older, 14% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2018 · median 2006 among the 744 with a school on file
  • Record last updated2022 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in North Carolina

There are 1,725 psychiatry physician records in North Carolina.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Salina Agarwal, MDGreensboro, NC 274031467619957
  2. Sanghamitra Chowdhury, M.D.Greensboro, NC 274031295770063
  3. Andrew Ji, MDGreensboro, NC 274031174268312
  4. Jason Jones, M.D.Greensboro, NC 274031114941978
  5. Alexander Pashayan, DOGreensboro, NC 274031972183655
  6. Pamela Pittman, MDGreensboro, NC 274031295778652
  7. Danielle Adegoroye, M.D.Greensboro, NC 274011750697389
  8. John Bartlett, MDGreensboro, NC 274011720146293

Common questions

What is Nathan Wasson Massengill, M.D.'s NPI number?

Nathan Wasson Massengill, M.D.'s National Provider Identifier (NPI) is 1124523428, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Wasson Massengill, M.D. located?

The NPPES record lists a practice address at 700 Walter Reed Dr, Greensboro, NC, 27403. Phone: (336) 832-9700. Providers update this record themselves, so call before visiting.

How can I verify Nathan Wasson Massengill, M.D.'s license?

NPPES lists North Carolina license number 2022-01113, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathan Wasson Massengill, M.D. prescribe under Medicare Part D?

In 2024, Nathan Wasson Massengill, M.D. had 258 Medicare Part D claims for 50 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.