Leif Eric Christiansen, D.O.
Internal Medicine Physician · Reading, PA
Leif Eric Christiansen, D.O. is an internal medicine physician with a practice address in Reading, Pennsylvania, and NPI 1710988092, issued on Aug 9, 2005. Check the license (Pennsylvania OS-005747-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Leif Eric Christiansen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS-005747-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 2234 Perkiomen Ave, Reading, PA 19606
- Phone
- (610) 370-2511
- Enumerated
- Aug 9, 2005
- Record last updated
- Feb 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (610) 370-3266
- Medicaid ID
- 011169560 PA
- Medicare enrollment
- Enrolled (PECOS I20080115000818); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2234 Perkiomen Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Carlson, CRNPNurse Practitioner1003818758
- Carol Roach, CRNPFamily Nurse Practitioner1699826032
Verify Leif Eric Christiansen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS-005747-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
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,884 Medicare Part D claims for 669 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 474 claims were for opioids.
Most prescribed
- Atorvastatin Calcium411 claims
- Furosemide366 claims
- Levothyroxine Sodium363 claims
- Lisinopril309 claims
- Metoprolol Succinate298 claims
- Eliquis274 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: $1,685.14
76 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 4 group practices
- H2 Rehabilitation Extension Services LLCBoyertown, PA
- Img Nursing Home Care, P.C.Pottsville, PA
- Integrated Medical Group P CReading, PA
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
43 internal medicine physician records list a practice address in Reading
They are 43 of the 1,822 NPPES records with a practice address in Reading, and 7,300 internal medicine physician records in Pennsylvania.
All 43 in Reading → All 7,300 in Pennsylvania → Every provider in Reading →
Other internal medicine physician records in Pennsylvania
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- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Joseph Abalos, M.D.Seneca, PA1215128434
- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Leif Eric Christiansen, D.O.'s NPI number?
Leif Eric Christiansen, D.O.'s National Provider Identifier (NPI) is 1710988092, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leif Eric Christiansen, D.O. located?
The NPPES record lists a practice address at 2234 Perkiomen Ave, Reading, PA, 19606. Phone: (610) 370-2511. Providers update this record themselves, so call before visiting.
How can I verify Leif Eric Christiansen, D.O.'s license?
NPPES lists Pennsylvania license number OS-005747-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 Leif Eric Christiansen, D.O. prescribe under Medicare Part D?
In 2024, Leif Eric Christiansen, D.O. had 11,884 Medicare Part D claims for 669 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.