DR. MARK R. JOHNSON M.D.
NPI 1578670931
Internal Medicine - Nephrology in Morristown, NJ

Q: What is Mark Johnson's NPI number?

The NPI number for Mark Johnson is 1578670931. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Q: What is Mark Johnson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Mark Johnson was last updated on January 7, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 23, 2006PECOS EnrolledAccepts Medicare Assignment

100 MADISON AVE, MORRISTOWN, NJ 07960(973) 971-7165(973) 290-7521 Get Directions Write a Review

NPPES record last updated: January 7, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Mark R. Johnson M.d. NPPES

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

DR. MARK R. JOHNSON M.D. (NPI 1578670931) is an individual nephrology provider in Morristown, New Jersey, licensed in New Jersey (25MA08685600) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of New York University School Of Medicine (2003).

NPPES Registry Identity

NPI1578670931

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. MARK R. JOHNSONCredential: M.D.

Location Address100 MADISON AVEMorristown, NJ 07960-6136

Mailing AddressPo Box 23831Newark, NJ 07189-0831 · (973) 971-7184 · Fax (973) 290-8349

Phone(973) 971-7165

Fax(973) 290-7521

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 2003

Enumeration DateAugust 23, 2006

Last NPPES UpdateJanuary 7, 2010

✔ NPI 1578670931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in NJ · 25MA08685600

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal MedicineTaxonomy 207R00000X · License 25MA08685600 (NJ)

100 MADISON AVE, Morristown, NJ 07960

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Other Identifiers 3

Medicare UPINI59211NY

Medicare PIN5388WUNY

Medicaid02784701NY

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. Mark R. Johnson M.d. 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 ID1658376454

PECOS Enrollment IDI20100304000010

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.

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.

920 services310 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.

543 services275 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.

234 services216 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.

178 services100 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.

47 services47 patients

Hospital Affiliations CMS Care Compare 4

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

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310015

Location100 Madison AveMorristown, NJ 07960 · Morris County

Emergency services Birthing friendly

Chilton Medical Center

Acute Care Hospitals · Pompton Plains, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310017

Location97 West ParkwayPompton Plains, NJ 07444 · Morris County

Emergency services Birthing friendly

Overlook Medical Center

Acute Care Hospitals · Summit, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310051

Location99 Beauvoir AvenueSummit, NJ 07901 · Union County

Emergency services Birthing friendly

Hackettstown Medical Center

Acute Care Hospitals · Hackettstown, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310115

Location651 Willow Grove StHackettstown, NJ 07840 · Warren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07960 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier17 claims17 services$9.90 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

1 supplier30 claims30 services$53.16 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$31.09 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 20

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

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