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MARIANNE HERNANDEZ MD
NPI 1861669178
Internal Medicine - Endocrinology, Diabetes & Metabolism in San Sebastian, PR

Active since May 15, 2008PECOS EnrolledAccepts Medicare Assignment
AVE HOSTOS #11, SAN SEBASTIAN, PR 00685(787) 643-4257 Get Directions Write a Review

NPPES record last updated: August 6, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 6, 2018, Feb 20, 2018 (2 updates tracked since 2018).

About Marianne Hernandez Md NPPES

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

MARIANNE HERNANDEZ MD (NPI 1861669178) is an individual endocrinology, diabetes & metabolism provider in San Sebastian, Puerto Rico, licensed in Puerto Rico (17121) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1861669178
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMARIANNE HERNANDEZCredential: MD
Location AddressAVE HOSTOS #11San Sebastian, PR 00685
Mailing AddressPo Box 318San Sebastian, PR 00685-0318 · (787) 643-4257
Phone(787) 643-4257
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 15, 2008
Last NPPES UpdateAugust 6, 20182 updates tracked since enumeration
✔ NPI 1861669178 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 PR · 17121
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.

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

Marianne Hernandez 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 ID4981771342
PECOS Enrollment IDI20080926000263
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

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 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.
20 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00685 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
$130.65 typical visit price
range $56.86 – $172.44
Typical copayment $32.66 (range $14.21 – $43.11)
Most-billed visit code 99204
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
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.

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 Marianne Hernandez's NPI number?

The NPI number for Marianne Hernandez is 1861669178. It was assigned to this individual provider in the NPPES registry on May 15, 2008.

Where is Marianne Hernandez located?

Marianne Hernandez practices at Ave Hostos #11, San Sebastian, PR 00685. The listed phone number is (787) 643-4257.

What is Marianne Hernandez's specialty?

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

Is Marianne Hernandez enrolled in Medicare?

Yes. Marianne Hernandez 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.

When was this NPI record last updated?

The NPPES record for Marianne Hernandez was last updated on August 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.