1. Home
  2. Directory
  3. Pennsylvania
  4. Philadelphia
  5. Internal Medicine
  6. NPI Profile

DR. CHRISTOPHER ROBERT JOHNSTON DO
NPI 1548589948
Internal Medicine - Critical Care Medicine in Philadelphia, PA

Active since May 25, 2010PECOS EnrolledAccepts Medicare Assignment
3998 RED LION RD STE 213, PHILADELPHIA, PA 19114(215) 938-7730 Get Directions Write a Review

NPPES record last updated: June 29, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 15, 2017, Jan 16, 2017, Nov 4, 2016 and 2 more (5 updates tracked since 2016).

About Dr. Christopher Robert Johnston Do NPPES

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

DR. CHRISTOPHER ROBERT JOHNSTON DO (NPI 1548589948) is an individual critical care medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (OS017185) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Jefferson Health- Northeast, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2010).

NPPES Registry Identity

NPI1548589948
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. CHRISTOPHER ROBERT JOHNSTONCredential: DO
Location Address3998 RED LION RD STE 213Philadelphia, PA 19114-1440
Mailing Address3501 Masons Mill Rd Ste 503Huntingdon Valley, PA 19006-3517 · (152) 938-7730 · Fax (484) 884-0699
Phone(215) 938-7730
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2010
Enumeration DateMay 25, 2010
Last NPPES UpdateJune 29, 20225 updates tracked since enumeration
NPPES CertifiedJune 27, 2022
✔ NPI 1548589948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in PA · OS017185
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedPsychiatry & Neurology · Neurocritical CareTaxonomy 2084A2900X · License OS017185 (PA)
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License OS017185 (PA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3998 RED LION RD STE 213, Philadelphia, PA 19114
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christopher Robert Johnston Do 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 ID4082907233
PECOS Enrollment IDI20160726000147, I20251224001499, I20260102000041, I20260211004009, I20260223003047
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.

Areas of Expertise CMS Part B claims 5

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
171 services166 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.
80 services80 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
79 services67 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
65 services53 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
58 services51 patients

Hospital Affiliations CMS Care Compare 2

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

Jefferson Health- Northeast

Acute Care Hospitals · Philadelphia, PA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390115
Location10800 Knights RoadPhiladelphia, PA 19114 · Philadelphia County
Emergency services

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390174
Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19114 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
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.

Other Providers at the Same Location NPPES 3

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

ASHLEY ABRAHAM
Physician Assistant (Surgical)
3998 RED LION RD STE 213
PHILADELPHIA, PA 19114
Philadelphia County (215) 612-5699
MS. LAURA ELIZABETH AYD PA-C
Physician Assistant (Surgical)
3998 RED LION RD STE 213
PHILADELPHIA, PA 19114
Philadelphia County (215) 680-2833
JESSE RYAN VICTOR M.D.
Psychiatry & Neurology (Neurology)
3998 RED LION RD STE 213
PHILADELPHIA, PA 19114
Philadelphia County (215) 612-5699

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 Christopher Johnston's NPI number?

The NPI number for Christopher Johnston is 1548589948. It was assigned to this individual provider in the NPPES registry on May 25, 2010.

Where is Christopher Johnston located?

Christopher Johnston practices at 3998 Red Lion Rd Ste 213, Philadelphia, PA 19114. The listed phone number is (215) 938-7730.

What is Christopher Johnston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Christopher Johnston enrolled in Medicare?

Yes. Christopher Johnston 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.

Is Christopher Johnston affiliated with any hospitals?

According to CMS data, Christopher Johnston is affiliated with Jefferson Health- Northeast and Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Johnston was last updated on June 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.