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DR. ISAAC KRAMER MD
NPI 1104829712
Internal Medicine in West Orange, NJ

Active since May 27, 2005PECOS EnrolledAccepts Medicare Assignment
101 OLD SHORT HILLS RD STE 440, WEST ORANGE, NJ 07052(973) 716-0300(973) 716-0005 Get Directions Write a Review

NPPES record last updated: November 1, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 1, 2022, Feb 5, 2022, Jul 9, 2018 (3 updates tracked since 2018).

About Dr. Isaac Kramer Md NPPES

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

DR. ISAAC KRAMER MD (NPI 1104829712) is an individual internal medicine provider in West Orange, New Jersey, licensed in New Jersey (25MA06995000) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (1984).

NPPES Registry Identity

NPI1104829712
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ISAAC KRAMERCredential: MD
Location Address101 OLD SHORT HILLS RD STE 440West Orange, NJ 07052-1086
Mailing AddressPo Box 95000 Lb#7550Philadelphia, PA 19195-7550 · (844) 362-1735
Phone(973) 716-0300
Fax(973) 716-0005
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateMay 27, 2005
Last NPPES UpdateNovember 1, 20223 updates tracked since enumeration
NPPES CertifiedNovember 1, 2022
✔ NPI 1104829712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NJ · 25MA06995000
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.
Also ListedSpecialistTaxonomy 174400000X · License 25MA06995000 (NJ)
101 OLD SHORT HILLS RD STE 440, West Orange, NJ 07052
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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. Isaac Kramer Md 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 ID5294886859
PECOS Enrollment IDI20090623000115
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 Reassignment

Medicare enrollment records show Isaac Kramer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Primary Care Partners, LLC
8.8 mi
Internal Medicine
100 MADISON AVE
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 103 clinicians in this Medicare group
NPI 1083900526 (973) 971-7135

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 8

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 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.
471 services205 patients
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.
288 services169 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.
159 services159 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
158 services91 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.
142 services134 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.
114 services114 patients

Hospital Affiliations CMS Care Compare 3

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

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

Cooperman Barnabas Medical Center

Acute Care Hospitals · Livingston, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310076
Location94 Old Short Hills RoadLivingston, NJ 07039 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07052 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.

Other Providers at the Same Location NPPES

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

ISAAC KRAMER, MD, P.C.
Internal Medicine
101 OLD SHORT HILLS RD STE 440
WEST ORANGE, NJ 07052
Essex County (973) 716-0300

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 Isaac Kramer's NPI number?

The NPI number for Isaac Kramer is 1104829712. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Isaac Kramer located?

Isaac Kramer practices at 101 Old Short Hills Rd Ste 440, West Orange, NJ 07052. The listed phone number is (973) 716-0300.

What is Isaac Kramer's specialty?

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

Is Isaac Kramer enrolled in Medicare?

Yes. Isaac Kramer 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 organization bills Medicare for Isaac Kramer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Kramer reassigns Medicare benefits to Primary Care Partners, LLC (Morristown, NJ). The 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 Isaac Kramer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isaac Kramer accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Isaac Kramer 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 Isaac Kramer affiliated with any hospitals?

According to CMS data, Isaac Kramer is affiliated with Morristown Medical Center, Overlook Medical Center and Cooperman Barnabas Medical Center.

When was this NPI record last updated?

The NPPES record for Isaac Kramer was last updated on November 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.