NPPES file of Aug 9, 2026

Richard L. Chamberlain, D.O.

Family Medicine Physician · Franklin, OH

Richard L. Chamberlain, D.O. is a family medicine physician with a practice address in Franklin, Ohio, and NPI 1164427019, issued on Jun 16, 2005. Check the license (Ohio 34-00-4313C, 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
1164427019
Name
Richard L. Chamberlain
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
34-00-4313C OH
Self-reported in NPPES; status is on the state search
Practice location
100 Kettering Way Ste 100, Franklin, OH 45005
Phone
(937) 746-8357
Enumerated
Jun 16, 2005
Record last updated
Mar 17, 2026
Fax
(937) 522-7079
Medicaid ID
0701306 OH
Medicare enrollment
Enrolled (PECOS I20041202000165); accepts Medicare assignment
Medical or professional school
Ohio University, College Of Osteopathic Medicine, 1986
Telehealth
Offers telehealth (CMS)
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 100 Kettering Way Ste 100

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

  1. Shannon Burkhart, FNPFamily Nurse Practitioner1972053627
  2. Kelsey Matthews, PAPhysician Assistant1518330323
  3. Tracy Phan, DOFamily Medicine Physician1619592987
  4. Andrea Tewell, D.O.Family Medicine Physician1891790754

Verify Richard L. Chamberlain 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 34-00-4313C
    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

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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4.3 times the Medicare Part D claims of the average family medicine physician in 2024

15,338 Medicare Part D claims for 761 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 297 claims were for opioids.

  1. Richard Chamberlain15,338
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium905 claims
  2. Levothyroxine Sodium849 claims
  3. Lisinopril528 claims
  4. Omeprazole365 claims
  5. Metformin Hcl353 claims
  6. Pantoprazole Sodium333 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. Alliance Physicians IncFranklin, OH

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

Richard L. Chamberlain among 5,606 family medicine physician records in Ohio

Richard L. Chamberlain, D.O. is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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, 82% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1986 · median 2005 among the 3,510 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 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 family medicine physician records list a practice address in Franklin

They are 13 of the 260 NPPES records with a practice address in Franklin, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. Mohammed Ashraf, MDFranklin, OH 450051285673913
  2. Leah Avera, MDMiddletown, OH 450051003892399
  3. Nathan Beebe, MDFranklin, OH 450051053331009
  4. Josephine Elrod, D.O.Franklin, OH 450051952306805
  5. Ronald Klein, MDFranklin, OH 450051245250273
  6. Joshua Ordway, MDFranklin, OH 450051285952143
  7. Samina Sagri, M.D.Middletown, OH 450051740398874
  8. Jewel Stevens, MDCarlisle, OH 450051316921067

Common questions

What is Richard L. Chamberlain, D.O.'s NPI number?

Richard L. Chamberlain, D.O.'s National Provider Identifier (NPI) is 1164427019, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Richard L. Chamberlain, D.O. located?

The NPPES record lists a practice address at 100 Kettering Way Ste 100, Franklin, OH, 45005. Phone: (937) 746-8357. Providers update this record themselves, so call before visiting.

How can I verify Richard L. Chamberlain, D.O.'s license?

NPPES lists Ohio license number 34-00-4313C, 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 Richard L. Chamberlain, D.O. prescribe under Medicare Part D?

In 2024, Richard L. Chamberlain, D.O. had 15,338 Medicare Part D claims for 761 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.