DR. MARSHALL R POSNER MD
NPI 1700847753
Internal Medicine - Medical Oncology in Palm Beach Gardens, FL

Q: What is Marshall Posner's NPI number?

The NPI number for Marshall Posner is 1700847753. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Q: What is Marshall Posner's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Marshall Posner was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 March 29, 2006PECOS EnrolledAccepts Medicare Assignment

11621 KEW GARDENS AVE STE 101A, PALM BEACH GARDENS, FL 33410(561) 253-3985(561) 253-3985 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 5, 2026, Feb 27, 2019 (2 updates tracked since 2019).

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About Dr. Marshall R Posner Md NPPES

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

DR. MARSHALL R POSNER MD (NPI 1700847753) is an individual medical oncology provider in Palm Beach Gardens, Florida, licensed in Florida (258260) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Jupiter Medical Center, and maintains a secondary practice location in Palm Springs.

NPPES Registry Identity

NPI1700847753

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameDR. MARSHALL R POSNERCredential: MD

Location Address11621 KEW GARDENS AVE STE 101APalm Beach Gardens, FL 33410-2853

Mailing Address1450 Centrepark Blvd Ste 165West Palm Beach, FL 33401-7432 · (561) 253-3980 · Fax (561) 253-3985

Phone(561) 253-3985

Fax(561) 253-3985

Sole ProprietorYes

Medical School CMSTufts University School Of MedicineGraduated 1975

Enumeration DateMarch 29, 2006

Last NPPES UpdateMay 5, 20262 updates tracked since enumeration

NPPES CertifiedMay 5, 2026

✔ NPI 1700847753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in FL · 258260

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

11621 KEW GARDENS AVE STE 101A, Palm Beach Gardens, FL 33410

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Secondary Practice Location 1

Location 11630 S Congress Ave Ste 200Palm Springs, FL 33461-2171 · Phone (561) 253-3980 · Fax (561) 253-3985

Other Identifiers 5

Other042680Tufts

Other2060930Aetna Us Healthcare

Other3040125United Health Care

Other110152122Rr Medicare Dfci

Other4395302Cigna

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and more.Insurance ›

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. Marshall R Posner 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 ID8820035959

PECOS Enrollment IDI20240823001835

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 3

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 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.

105 services42 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.

28 services16 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 services16 patients

Hospital Affiliations CMS Care Compare

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

Jupiter Medical Center

Acute Care Hospitals · Jupiter, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100253

Location1210 S Old Dixie HwyJupiter, FL 33458 · Palm Beach County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33410 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

$179.05 typical visit price

range $58.56 – $179.05

Typical copayment $44.76 (range $14.64 – $44.76)

Most-billed visit code 99205

Established Patient

$103.21 typical visit price

range $18.44 – $144.68

Typical copayment $25.80 (range $4.61 – $36.17)

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 10

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

MRS. BRIGETT DENISE MULLER PA-C

Physician Assistant