NPPES file of Aug 9, 2026

Phillip D. Alscher, MD

Internal Medicine Physician · Mason City, IA

Phillip D. Alscher, MD is an internal medicine physician with a practice address in Mason City, Iowa, and NPI 1700993888, issued on Aug 24, 2006. Check the license (Iowa 31119, as entered in NPPES) on the Iowa Board of Medicine; 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
1700993888
Name
Phillip D. Alscher
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
31119 IA
Self-reported in NPPES; status is on the state search
Practice location
1000 4TH St SW, Mason City, IA 50401
Phone
(641) 422-6999
Enumerated
Aug 24, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(641) 422-6678
Medicaid ID
1135707 IA
Medicare enrollment
Enrolled (PECOS I20200416002078); may accept Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
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 1000 4TH St SW

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

  1. Mohamed Abdi, MDRadiation Oncology Physician1982162608
  2. Luna Acharya, MDHospitalist Physician1609224674
  3. Jenna AdamsMental Health Counselor1407790710
  4. Sheela Ahari, MDAnesthesiology Physician1518910462
  5. Tauseef Akhtar, MDCardiovascular Disease Physician1508218009
  6. Emad Alamouti-Fard, MDFamily Medicine Physician1811821499

Verify Phillip D. Alscher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 31119
    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 Iowa license search

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

222 Medicare Part D claims for 107 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.

  1. Phillip Alscher222
  2. Specialty average3,176

Most prescribed

  1. Eliquis29 claims
  2. Cefuroxime13 claims
  3. Citalopram Hbr13 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. Apogee Medical Group GeorgiaValdosta, GA

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

Phillip D. Alscher among 871 internal medicine physician records in Iowa

Phillip D. Alscher, MD is one of 871 internal medicine physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 62% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated1988 · median 2008 among the 386 with a school on file
  • Record last updated2007 · 46% 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 Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 internal medicine physician records list a practice address in Mason City

They are 36 of the 866 NPPES records with a practice address in Mason City, and 871 internal medicine physician records in Iowa.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Vaughan Cipperly, MDMason City, IA 504011942235429
  2. Patrick Dunlay, DOMason City, IA 504011811004294
  3. Melissa Frame, MDMason City, IA 504011881796712
  4. Bruce Harlan, MDMason City, IA 504011336256593
  5. Mark Johnson, MDMason City, IA 504011013923127
  6. Janice Kirsch, MDMason City, IA 504011992809636
  7. Ali Mardan, PHD, MD, RPVI, FACPMason City, IA 504011619905353
  8. Daniel Pennington, MDMason City, IA 504011568579720

Common questions

What is Phillip D. Alscher, MD's NPI number?

Phillip D. Alscher, MD's National Provider Identifier (NPI) is 1700993888, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Phillip D. Alscher, MD located?

The NPPES record lists a practice address at 1000 4TH St SW, Mason City, IA, 50401. Phone: (641) 422-6999. Providers update this record themselves, so call before visiting.

How can I verify Phillip D. Alscher, MD's license?

NPPES lists Iowa license number 31119, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Phillip D. Alscher, MD prescribe under Medicare Part D?

In 2024, Phillip D. Alscher, MD had 222 Medicare Part D claims for 107 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.