Peter Douglas Adair Crosby, MD
Family Medicine Physician · Norwalk, OH
Peter Douglas Adair Crosby, MD is a family medicine physician with a practice address in Norwalk, Ohio, and NPI 1356337398, issued on Sep 26, 2005. Check the license (Ohio 35069794, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Peter Douglas Adair Crosby
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 35069794 OH
Self-reported in NPPES; status is on the state search - Practice location
- 44 Executive Dr, Norwalk, OH 44857
- Phone
- (419) 668-4851
- Enumerated
- Sep 26, 2005
- Record last updated
- Jul 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (419) 663-5146
- Medicaid ID
- 0264851 OH
- Medicare enrollment
- Enrolled (PECOS I20091116000302); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 44 Executive Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allsop, D.O.Family Medicine Physician1396783064
- Danielle Hart, CNPFamily Nurse Practitioner1043811995
- Jenna Hartman, M.D.Family Medicine Physician1619359130
- Dianne Mawhirter, CNPFamily Nurse Practitioner1942314414
- Ralph May, MDFamily Medicine Physician1306832209
- Hanna Ruggles, M.D.Family Medicine Physician1225411960
Verify Peter Douglas Adair Crosby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35069794Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,977 Medicare Part D claims for 608 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 252 claims were for opioids.
Most prescribed
- Atorvastatin Calcium402 claims
- Amlodipine Besylate305 claims
- Levothyroxine Sodium289 claims
- Pantoprazole Sodium253 claims
- Albuterol Sulfate Hfa237 claims
- Lisinopril235 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: $1,072.88
64 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Northern Ohio Medical Specialists, LLCSandusky, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 family medicine physician records list a practice address in Norwalk
They are 19 of the 457 NPPES records with a practice address in Norwalk, and 5,606 family medicine physician records in Ohio.
All 19 in Norwalk → All 5,606 in Ohio → Every provider in Norwalk →
Other family medicine physician records in Ohio
- John Philamer Abad, M.D.Westerville, OH1356376800
- Katarina Abadie, M.D.Solon, OH1760917447
- Heeran Abawi, M.D.Fairfield, OH1932337649
- Ghassan Abdallah, M.D.Middleburg Heights, OH1265531859
- Karyn Abdallah, M.D.Middleburg Heights, OH1477652816
- Mohamed Abdo, DODelaware, OH1083293229
- Neelab Abdullah, MDCleveland, OH1538806922
- Mohammad AbdulrasoolToledo, OH1053738096
- Johnny Abi-Rached, DOVermilion, OH1548902018
- Katherine Able-Perkins, D.O.Athens, OH1174751143
Common questions
What is Peter Douglas Adair Crosby, MD's NPI number?
Peter Douglas Adair Crosby, MD's National Provider Identifier (NPI) is 1356337398, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Peter Douglas Adair Crosby, MD located?
The NPPES record lists a practice address at 44 Executive Dr, Norwalk, OH, 44857. Phone: (419) 668-4851. Providers update this record themselves, so call before visiting.
How can I verify Peter Douglas Adair Crosby, MD's license?
NPPES lists Ohio license number 35069794, 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 Peter Douglas Adair Crosby, MD prescribe under Medicare Part D?
In 2024, Peter Douglas Adair Crosby, MD had 8,977 Medicare Part D claims for 608 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.