MARIA GABRIELLA GEREW MD, MPH
NPI 1629606157
Internal Medicine in Morristown, NJ

Q: What is Maria Gerew's NPI number?

The NPI number for Maria Gerew is 1629606157. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Q: What is Maria Gerew'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 Maria Gerew was last updated on December 1, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 30, 2020PECOS Enrolled

435 SOUTH ST STE 350, MORRISTOWN, NJ 07960(973) 971-6700(973) 290-7480 Get Directions Write a Review

NPPES record last updated: December 1, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Maria Gabriella Gerew Md, Mph NPPES

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

MARIA GABRIELLA GEREW MD, MPH (NPI 1629606157) is an individual internal medicine provider in Morristown, New Jersey, licensed in New Jersey (25MA11915600) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Morristown.

NPPES Registry Identity

NPI1629606157

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARIA GABRIELLA GEREWCredential: MD, MPH

Location Address435 SOUTH ST STE 350Morristown, NJ 07960-6474

Mailing Address465 South St Ste 103Morristown, NJ 07960-6442 · (973) 829-4119 · Fax (973) 290-7495

Phone(973) 971-6700

Fax(973) 290-7480

Sole ProprietorNo

Enumeration DateMarch 30, 2020

Last NPPES UpdateDecember 1, 2023

NPPES CertifiedDecember 1, 2023

✔ NPI 1629606157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA11915600

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.

435 SOUTH ST STE 350, Morristown, NJ 07960

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Secondary Practice Location 1

Location 1100 Madison AveMorristown, NJ 07960-6136 · Phone (973) 971-5912 · Fax (973) 290-8325

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Gabriella Gerew Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

230 services93 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.

45 services25 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

27 services27 patients

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.

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