NPPES file of Aug 9, 2026

William Thomas Rosenblatt, M.D.

Internal Medicine Physician · Columbus, MS

William Thomas Rosenblatt, M.D. is an internal medicine physician with a practice address in Columbus, Mississippi, and NPI 1881038842, issued on Apr 22, 2013. Check the license (Mississippi 25069, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881038842
Name
William Thomas Rosenblatt
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
25069 MS
Self-reported in NPPES; status is on the state search
Practice location
2600 5TH St N, Columbus, MS 39705
Phone
(662) 244-2960
Enumerated
Apr 22, 2013
Record last updated
Oct 11, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(662) 244-2917
Medicare enrollment
Enrolled (PECOS I20170718001132); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2013
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 2600 5TH St N

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

  1. Andrea Branch, FNPFamily Nurse Practitioner1134638034
  2. Brett Brown, MDInternal Medicine Physician1841221702
  3. Joy Murphy, CFNPFamily Nurse Practitioner1508959040
  4. John Stanback, MDFamily Medicine Physician1629034764

Verify William Thomas Rosenblatt 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 25069
    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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3.8 times the Medicare Part D claims of the average internal medicine physician in 2024

12,078 Medicare Part D claims for 579 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 93 claims were for opioids.

  1. William Rosenblatt12,078
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium623 claims
  2. Losartan Potassium520 claims
  3. Amlodipine Besylate444 claims
  4. Levothyroxine Sodium407 claims
  5. Pantoprazole Sodium369 claims
  6. Rosuvastatin Calcium365 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.5
  2. Costout of 100 · 30%66.2
  3. Promoting interoperabilityout of 100 · 25%82.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $17.68

1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Rosenblatt$17.68
  2. Specialty average$1,303.06

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

  1. Baptist Memorial Medical Group, Inc.Columbus, MS

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

William Thomas Rosenblatt among 972 internal medicine physician records in Mississippi

William Thomas Rosenblatt, M.D. is one of 972 internal medicine physician records with a practice address in Mississippi. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 53% of them.

  • NPI issued2013 · 53% of these records are older, 45% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2013 · median 2008 among the 585 with a school on file
  • Record last updated2018 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 internal medicine physician records list a practice address in Columbus

They are 34 of the 843 NPPES records with a practice address in Columbus, and 972 internal medicine physician records in Mississippi.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Brett Brown, MDColumbus, MS 397051841221702
  2. Bradley Brown, M.D.Columbus, MS 397051992736870
  3. Christina Collins, MDColumbus, MS 397051760692917
  4. Michael Duckworth, M.D.Columbus, MS 397051083682934
  5. Mark Friloux, MDColumbus, MS 397051679562748
  6. Min Kim, MDColumbus, MS 397051437187333
  7. Slater Lowry, M.D.Columbus, MS 397051619048204
  8. Gregory Nunez, MDColumbus, MS 397051497869978

Common questions

What is William Thomas Rosenblatt, M.D.'s NPI number?

William Thomas Rosenblatt, M.D.'s National Provider Identifier (NPI) is 1881038842, issued on Apr 22, 2013. An NPI identifies a provider in billing; it is not a license.

Where is William Thomas Rosenblatt, M.D. located?

The NPPES record lists a practice address at 2600 5TH St N, Columbus, MS, 39705. Phone: (662) 244-2960. Providers update this record themselves, so call before visiting.

How can I verify William Thomas Rosenblatt, M.D.'s license?

NPPES lists Mississippi license number 25069, 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 William Thomas Rosenblatt, M.D. prescribe under Medicare Part D?

In 2024, William Thomas Rosenblatt, M.D. had 12,078 Medicare Part D claims for 579 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is William Thomas Rosenblatt, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.