DR. LEIF ERIC CHRISTIANSEN D.O.
NPI 1710988092
Internal Medicine in Reading, PA

Q: What is Leif Christiansen's NPI number?

The NPI number for Leif Christiansen is 1710988092. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Q: What is Leif Christiansen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Leif Christiansen was last updated on February 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 09, 2005PECOS EnrolledAccepts Medicare Assignment

2234 PERKIOMEN AVE, READING, PA 19606(610) 370-2511(610) 370-3266 Get Directions Write a Review

NPPES record last updated: February 28, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Leif Eric Christiansen D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LEIF ERIC CHRISTIANSEN D.O. (NPI 1710988092) is an individual internal medicine provider in Reading, Pennsylvania, licensed in Pennsylvania (OS-005747-L) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1984).

NPPES Registry Identity

NPI1710988092

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. LEIF ERIC CHRISTIANSENCredential: D.O.

Location Address2234 PERKIOMEN AVEReading, PA 19606-1830

Mailing Address2234 Perkiomen AveReading, PA 19606-1830 · (610) 370-2511 · Fax (610) 370-3266

Phone(610) 370-2511

Fax(610) 370-3266

Sole ProprietorNo

Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 1984

Enumeration DateAugust 9, 2005

Last NPPES UpdateFebruary 28, 2011

✔ NPI 1710988092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in PA · OS-005747-L

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2234 PERKIOMEN AVE, Reading, PA 19606

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Other Identifiers 3

Medicare PIN134429JPUPA

Medicare UPINC31280PA

Medicaid011169560PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Leif Eric Christiansen D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799866752

PECOS Enrollment IDI20080115000818

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Leif Christiansen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Berks Counseling Center, Inc.

1.8 mi

Addiction (Substance Use Disorder)

645 PENN STREET, 2ND FLOOR
Reading, PA 19601

Reassigned Medicare billing, Pennsylvania enrollment
22 clinicians in this Medicare group

NPI 1881620250 (610) 373-4281

Haven Behavioral Services Of Reading, LLC

1.9 mi

Psychiatric Hospital

145 N 6TH ST
Reading, PA 19601

Reassigned Medicare billing, Pennsylvania enrollment
48 clinicians in this Medicare group

NPI 1629384292 (610) 406-4340

Img Nursing Home Care, P.C.

30 mi

Family Medicine

82 TUNNEL RD
Pottsville, PA 17901

Reassigned Medicare billing, Pennsylvania enrollment
18 clinicians in this Medicare group

NPI 1144843897 (570) 622-5455

Integrated Medical Group P C

30 mi

Family Medicine

82 TUNNEL RD
Pottsville, PA 17901

Reassigned Medicare billing, Pennsylvania enrollment
124 clinicians in this Medicare group

NPI 1336102268 (570) 622-5455

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

838 services343 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

316 services230 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

232 services232 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

169 services166 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

137 services24 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

131 services130 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

126 services126 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

121 services79 patients

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350

An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.

94 services55 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

41 services37 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

33 services33 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

31 services11 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

23 services22 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

19 services17 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

17 services17 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

17 services12 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

15 services15 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

15 services15 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

15 services15 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Lukes Hospital

Acute Care Hospitals · Duluth, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240047

Location915 East 1st StreetDuluth, MN 55805 · St. Louis County

Emergency services Birthing friendly

Reading Hospital

Acute Care Hospitals · West Reading, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390044

Location420 S 5th AvenueWest Reading, PA 19611 · Berks County

Emergency services Birthing friendly

Penn State Health St. Joseph

Acute Care Hospitals · Reading, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390096

Location2500 Bernville RoadReading, PA 19605 · Berks County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Medication Reconciliation Post-Discharge

The percentage of discharges from any inpatient facility (e.g. hospital, skilled nursing facility, or rehabilitation facility) for patients 18 years and older of age seen within 30 days following discharge in the office by the physician, prescribing…

Patients 65+: 100% · 49 patients

100%59 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

20 suppliers83 claims182 services$6.15 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

9 suppliers25 claims28 services$0.96 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers26 claims26 services$87.40 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

4 suppliers17 claims2,642 services$0.03 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

1 supplier12 claims390 services$0.82 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

8 suppliers66 claims67 services$176.69 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. TIMOTHY A CARLSON CRNP

Nurse Practitioner

2234 PERKIOMEN AVE
READING, PA 19606

Berks County (610) 370-2511

PERKIOMEN INTERNAL MEDICINE ASSOC., P.C.

Internal Medicine

2234 PERKIOMEN AVE
READING, PA 19606

Berks County (610) 370-2511

KERSTEN ELIZABETH REIDER CRNP

Nurse Practitioner (Primary Care)

2234 PERKIOMEN AVE
MOUNT PENN, PA 19606

Berks County (610) 370-2511

MRS. CAROL A ROACH CRNP

Nurse Practitioner (Family)

2234 PERKIOMEN AVE
READING, PA 19606

Berks County (610) 370-2511

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leif Christiansen's NPI number?

The NPI number for Leif Christiansen is 1710988092. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Leif Christiansen located?

Leif Christiansen practices at 2234 Perkiomen Ave, Reading, PA 19606. The listed phone number is (610) 370-2511.

What is Leif Christiansen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Leif Christiansen enrolled in Medicare?

Yes. Leif Christiansen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Leif Christiansen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leif Christiansen reassigns Medicare benefits to 4 organizations: Berks Counseling Center, Inc. (Reading, PA), Haven Behavioral Services Of Reading, LLC (Reading, PA), Img Nursing Home Care, P.C. (Pottsville, PA) and Integrated Medical Group P C (Pottsville, PA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leif Christiansen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leif Christiansen accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Leif Christiansen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Leif Christiansen affiliated with any hospitals?

According to CMS data, Leif Christiansen is affiliated with St Lukes Hospital, Reading Hospital and Penn State Health St. Joseph.

When was this NPI record last updated?

The NPPES record for Leif Christiansen was last updated on February 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.