NPPES file of Aug 9, 2026

Mallory Blakeslee, D.O.

Emergency Medicine Physician · Gulfport, MS

Mallory Blakeslee, D.O. is an emergency medicine physician with a practice address in Gulfport, Mississippi, and NPI 1932516945, issued on Jul 22, 2014. Check the license (Mississippi 25885, as entered in NPPES) on the Mississippi State Board of Medical Licensure; 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
1932516945
Name
Mallory Blakeslee
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
25885 MS
52R OK
Self-reported in NPPES; status is on the state search
Practice location
4500 13TH St, Gulfport, MS 39501
Phone
(228) 575-2000
Enumerated
Jul 22, 2014
Record last updated
Apr 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181102000958); accepts Medicare assignment
Medical or professional school
William Carey University College Of Osteopathic Medicine, 2014
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 4500 13TH St

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

  1. Daniel Adams, MDDiagnostic Radiology Physician1396165387
  2. Ali Ahmad, MDFamily Medicine Physician1063207280
  3. Adam Alamo, DOStudent in an Organized Health Care Education/Training Program1346034709
  4. Ali Alherimi, MDFamily Medicine Physician1649010794
  5. Summer Allen, MDHospitalist Physician1730491036
  6. Rachel Allen Rydbeck, NPNurse Practitioner1568921245

Verify Mallory Blakeslee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 25885
    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 Mississippi 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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7% fewer Medicare Part D claims than the average emergency medicine physician in 2024

211 Medicare Part D claims for 149 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Mallory Blakeslee211
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt28 claims
  2. Doxycycline Hyclate22 claims
  3. Hydrocodone-Acetaminophen19 claims
  4. Ciprofloxacin Hcl14 claims
  5. Cyclobenzaprine Hcl14 claims
  6. Prednisone11 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: $85.41

1 payment: food and beverage; the largest payer was Abiomed. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mallory Blakeslee$85.41
  2. Specialty average$953.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Memorial Hospital AT GulfportGulfport, MS · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Mallory Blakeslee among 515 emergency medicine physician records in Mississippi

Mallory Blakeslee, D.O. is one of 515 emergency medicine physician records with a practice address in Mississippi. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 58% of them.

  • NPI issued2014 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2014 · median 2011 among the 339 with a school on file
  • Record last updated2020 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 emergency medicine physician records list a practice address in Gulfport

They are 26 of the 2,030 NPPES records with a practice address in Gulfport, and 515 emergency medicine physician records in Mississippi.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Larry Couvillon, M.D.Gulfport, MS 395011417039546
  2. David Eakes, M.D.Gulfport, MS 395011972544427
  3. Thomas Graves, M.D.Gulfport, MS 395011528140720
  4. William Grover, M.D.Gulfport, MS 395011083796114
  5. Andrew Nakamoto, M.D.Gulfport, MS 395011417198490
  6. Kelly Nations, M.D.Gulfport, MS 395011487601050
  7. Nghia Nguyen, D.O.Gulfport, MS 395011558681726
  8. James Rose, MDGulfport, MS 395011689037178

Common questions

What is Mallory Blakeslee, D.O.'s NPI number?

Mallory Blakeslee, D.O.'s National Provider Identifier (NPI) is 1932516945, issued on Jul 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Mallory Blakeslee, D.O. located?

The NPPES record lists a practice address at 4500 13TH St, Gulfport, MS, 39501. Phone: (228) 575-2000. Providers update this record themselves, so call before visiting.

How can I verify Mallory Blakeslee, D.O.'s license?

NPPES lists Mississippi license number 25885, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mallory Blakeslee, D.O. prescribe under Medicare Part D?

In 2024, Mallory Blakeslee, D.O. had 211 Medicare Part D claims for 149 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.