Christopher Jackson Davis, D.O.
Addiction Medicine (Internal Medicine) Physician · York, PA
Christopher Jackson Davis, D.O. is an addiction medicine (internal medicine) physician with a practice address in York, Pennsylvania, and NPI 1144473208, issued on Nov 2, 2008. Check the license (Pennsylvania OS-007771-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Christopher Jackson Davis
- Credential
- D.O.
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- License number
- OS-007771-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Loucks RD, York, PA 17404
- Phone
- (717) 650-1398
- Enumerated
- Nov 2, 2008
- Record last updated
- Nov 30, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (717) 650-2177
- Medicaid ID
- 0013950600010 PA
- Entity
- Type 1 · individual
8 nearest addiction medicine (internal medicine) physician records → All 33 in Pennsylvania → Look up another NPI →
Verify Christopher Jackson Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS-007771-LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024
472 Medicare Part D claims for 24 beneficiaries, against an average of 829 among the 401 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 27 claims were for opioids.
Most prescribed
- Buprenorphine-Naloxone131 claims
- Trazodone Hcl39 claims
- Alprazolam24 claims
- Suboxone24 claims
- Duloxetine Hcl14 claims
- Dextroamphetamine-Amphetamine13 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: $15,688.25
28 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, Inc. The 188 providers of this specialty with any payment received $1,761.64 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.
Christopher Jackson Davis among 33 addiction medicine (internal medicine) physician records in Pennsylvania
Christopher Jackson Davis, D.O. is one of 33 addiction medicine (internal medicine) physician records with a practice address in Pennsylvania. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 27% of them.
- NPI issued2008 · 27% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2016 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Internal Medicine) Physician providers in Pennsylvania
There are 33 addiction medicine (internal medicine) physician records in Pennsylvania.
All 33 in Pennsylvania → Every provider in York → Addiction Medicine (Internal Medicine) Physician nationwide →
The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes
- Kristi Dively, DOLancaster, PA 176021063447852
- Kaitlyn Mackey, MSW, LSWLancaster, PA 176021952946253
- Sarah Kawasaki, M.D.Harrisburg, PA 171101821222381
- Philip Moore, DOLemoyne, PA 170431396906640
- Andrew Thomson, DOHershey, PA 170331518454693
- Eric Petterson, MDMahanoy City, PA 179481245269547
- Karen Sees, D.O.Kane, PA 167351013301985
- Linda OkoroAllentown, PA 181021255907234
Common questions
What is Christopher Jackson Davis, D.O.'s NPI number?
Christopher Jackson Davis, D.O.'s National Provider Identifier (NPI) is 1144473208, issued on Nov 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Jackson Davis, D.O. located?
The NPPES record lists a practice address at 320 Loucks RD, York, PA, 17404. Phone: (717) 650-1398. Providers update this record themselves, so call before visiting.
How can I verify Christopher Jackson Davis, D.O.'s license?
NPPES lists Pennsylvania license number OS-007771-L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Jackson Davis, D.O. prescribe under Medicare Part D?
In 2024, Christopher Jackson Davis, D.O. had 472 Medicare Part D claims for 24 beneficiaries; the average among addiction medicine (internal medicine) physician prescribers was 829. 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.