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DR. MARLYN FERNANDEZ MD
NPI 1124253752
Internal Medicine - Endocrinology, Diabetes & Metabolism in Glen Ridge, NJ

Active since May 27, 2009PECOS EnrolledAccepts Medicare Assignment
94.95/100
CMS Quality Rating
123 HIGHLAND AVE STE 301, GLEN RIDGE, NJ 07028(973) 744-3733(973) 707-5821 Get Directions Write a Review

NPPES record last updated: July 15, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 15, 2019, Apr 20, 2019 (2 updates tracked since 2019).

About Dr. Marlyn Fernandez Md NPPES

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

DR. MARLYN FERNANDEZ MD (NPI 1124253752) is an individual endocrinology, diabetes & metabolism provider in Glen Ridge, New Jersey, licensed in New Jersey (25MA09223600) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1124253752
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MARLYN FERNANDEZCredential: MD
Location Address123 HIGHLAND AVE STE 301Glen Ridge, NJ 07028-1522
Mailing AddressPo Box 419430Boston, MA 02241-9430 · (201) 967-8221 · Fax (201) 483-2242
Phone(973) 744-3733
Fax(973) 707-5821
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateMay 27, 2009
Last NPPES UpdateJuly 15, 20192 updates tracked since enumeration
✔ NPI 1124253752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in NJ · 25MA09223600
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
123 HIGHLAND AVE STE 301, Glen Ridge, NJ 07028
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. Marlyn Fernandez 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 ID8325261472
PECOS Enrollment IDI20140519001545
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 10

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.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
2,580 services25 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.
422 services211 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.
97 services42 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
59 services24 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.
49 services39 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
43 services25 patients

Hospital Affiliations CMS Care Compare 2

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

Hackensack University Medical Center

Acute Care Hospitals · Hackensack, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310001
Location30 Prospect AveHackensack, NJ 07601 · Bergen County
Emergency services Birthing friendly

Hackensack Meridian Health, Mountainside Medical

Acute Care Hospitals · Montclair, NJ
2/5 CMS rating
OwnershipProprietary
CMS Certification Number310054
Location1 Bay AvenueMontclair, NJ 07042 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07028 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.26
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 4

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
25 suppliers64 claims200 services$6.83 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
5 suppliers12 claims12 services$2.72 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
18 suppliers49 claims83 services$1.18 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
4 suppliers31 claims32 services$196.05 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Marlyn Fernandez's NPI number?

The NPI number for Marlyn Fernandez is 1124253752. It was assigned to this individual provider in the NPPES registry on May 27, 2009.

Where is Marlyn Fernandez located?

Marlyn Fernandez practices at 123 Highland Ave Ste 301, Glen Ridge, NJ 07028. The listed phone number is (973) 744-3733.

What is Marlyn Fernandez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Marlyn Fernandez enrolled in Medicare?

Yes. Marlyn Fernandez 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 Marlyn Fernandez affiliated with any hospitals?

According to CMS data, Marlyn Fernandez is affiliated with Hackensack University Medical Center and Hackensack Meridian Health, Mountainside Medical.

When was this NPI record last updated?

The NPPES record for Marlyn Fernandez was last updated on July 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.