NPPES file of Aug 9, 2026

Nikolas S. May, M.D.

Family Medicine Physician · Manchester, IA

Nikolas S. May, M.D. is a family medicine physician with a practice address in Manchester, Iowa, and NPI 1508156159, issued on Apr 17, 2011. Check the license (Iowa MD-41997, 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
1508156159
Name
Nikolas S. May
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD-41997 IA
Self-reported in NPPES; status is on the state search
Practice location
709 W Main St, Manchester, IA 52057
Phone
(563) 927-7777
Enumerated
Apr 17, 2011
Record last updated
Jul 1, 2025
Fax
(563) 927-7935
Medicare enrollment
Enrolled (PECOS I20140917002582); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2011
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 709 W Main St

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

  1. Melissa Althoff, RDNRegistered Dietitian1487152955
  2. Bridget Baker, DNP, ARNP, FNP-BC, PFamily Nurse Practitioner1245654847
  3. Mark BennettCertified Registered Nurse Anesthetist1871955435
  4. Allison Berns, PA-CPhysician Assistant1407087133
  5. Ralph Boom, M.D.Family Medicine Physician1720086275
  6. Janice Budzine, ARNPNurse Practitioner1174521777

Verify Nikolas S. May in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-41997
    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

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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69% more Medicare Part D claims than the average family medicine physician in 2024

5,975 Medicare Part D claims for 295 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 141 claims were for opioids.

  1. Nikolas May5,975
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium296 claims
  2. Atorvastatin Calcium250 claims
  3. Furosemide202 claims
  4. Amlodipine Besylate198 claims
  5. Lisinopril193 claims
  6. Omeprazole193 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. Delaware County Memorial HospitalStrawberry Pt, IA

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

Nikolas S. May among 2,336 family medicine physician records in Iowa

Nikolas S. May, M.D. is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2011 · median 2006 among the 1,367 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 family medicine physician records list a practice address in Manchester

They are 12 of the 155 NPPES records with a practice address in Manchester, and 2,336 family medicine physician records in Iowa.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ralph Boom, M.D.Manchester, IA 520571720086275
  2. Clinton Cummings, D.O.Manchester, IA 520571083908263
  3. Blanka Divisova, M.D.Manchester, IA 520571023085644
  4. Samantha Fitzgerald, MDManchester, IA 520571649912627
  5. Timothy Gerst, M.D.Manchester, IA 520571861480139
  6. Jane Hartnett, M.D.Manchester, IA 520571659379279
  7. Amanda Olberding, DOManchester, IA 520571164835138
  8. Molly Olson, D.O.Manchester, IA 520571124552591

Common questions

What is Nikolas S. May, M.D.'s NPI number?

Nikolas S. May, M.D.'s National Provider Identifier (NPI) is 1508156159, issued on Apr 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Nikolas S. May, M.D. located?

The NPPES record lists a practice address at 709 W Main St, Manchester, IA, 52057. Phone: (563) 927-7777. Providers update this record themselves, so call before visiting.

How can I verify Nikolas S. May, M.D.'s license?

NPPES lists Iowa license number MD-41997, 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 Nikolas S. May, M.D. prescribe under Medicare Part D?

In 2024, Nikolas S. May, M.D. had 5,975 Medicare Part D claims for 295 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.