NPPES file of Aug 9, 2026

James Douglas Kasten, M.D.

Obstetrics & Gynecology Physician · Norwalk, OH

James Douglas Kasten, M.D. is an obstetrics & gynecology physician with a practice address in Norwalk, Ohio, and NPI 1649264128, issued on Sep 9, 2005. Check the license (Ohio 35047963, as entered in NPPES) on the State Medical Board of Ohio; 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
1649264128
Name
James Douglas Kasten
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
35047963 OH
Self-reported in NPPES; status is on the state search
Practice location
278 Benedict Ave, Norwalk, OH 44857
Phone
(419) 668-2686
Enumerated
Sep 9, 2005
Record last updated
Jul 3, 2026
Fax
(419) 663-6637
Medicaid ID
0618504 OH
Medicare enrollment
Enrolled (PECOS I20120229000133); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 1982
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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8 nearest obstetrics & gynecology physician records → All 1,572 in Ohio → Look up another NPI →

Also registered at 278 Benedict Ave

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

  1. Kerry Allen, M.D.Ophthalmology Physician1184605990
  2. Teresa Lampe, NP-CAdult Health Nurse Practitioner1720023161
  3. Jayne Minier, M.D.Surgery Physician1962483842
  4. Carl Obenauf, M.D.Ophthalmology Physician1336121292
  5. Eric Schmidt, M.D.Surgery Physician1609857556
  6. Jonathan Zahler, D.O.Ophthalmology Physician1053641100

Verify James Douglas Kasten in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35047963    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 Ohio license search

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98% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

326 Medicare Part D claims for 108 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. James Kasten326
  2. Specialty average165

Most prescribed

  1. Estradiol42 claims
  2. Alendronate Sodium33 claims
  3. Levothyroxine Sodium22 claims
  4. Fluoxetine Hcl20 claims
  5. Fluconazole14 claims
  6. Clobetasol Propionate13 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: $107.27

6 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Kasten$107.27
  2. Specialty average$1,030.61

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. James D Kasten MD IncNorwalk, OH

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

James Douglas Kasten among 1,572 obstetrics & gynecology physician records in Ohio

James Douglas Kasten, M.D. is one of 1,572 obstetrics & gynecology physician records with a practice address in Ohio. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 83% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1982 · median 2004 among the 1,041 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Ohio

There are 1,572 obstetrics & gynecology physician records in Ohio.

All 1,572 in Ohio → Every provider in Norwalk → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Kathy Galla-Elizeus, M.D.Norwalk, OH 448571023028008
  2. Sharon Dorman, DOMilan, OH 448461780647636
  3. William Bruner, D.O.Sandusky, OH 448701730134446
  4. John Cook, M.D.Sandusky, OH 448701235373259
  5. Penola Jones, MDSandusky, OH 448701689632424
  6. Mona Nataprawira, D.OSandusky, OH 448701528378965
  7. Brian Printy, M.D.Sandusky, OH 448701144243148
  8. Kathleen Rinkes, D.O.Sandusky, OH 448701336334598

Common questions

What is James Douglas Kasten, M.D.'s NPI number?

James Douglas Kasten, M.D.'s National Provider Identifier (NPI) is 1649264128, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James Douglas Kasten, M.D. located?

The NPPES record lists a practice address at 278 Benedict Ave, Norwalk, OH, 44857. Phone: (419) 668-2686. Providers update this record themselves, so call before visiting.

How can I verify James Douglas Kasten, M.D.'s license?

NPPES lists Ohio license number 35047963, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Douglas Kasten, M.D. prescribe under Medicare Part D?

In 2024, James Douglas Kasten, M.D. had 326 Medicare Part D claims for 108 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.