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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MELISSA ALEJANDRA HERNANDEZ MD
NPI 1598348633
Obstetrics & Gynecology in Frederick, MD

Active since May 05, 2021PECOS Enrolled
77 THOMAS JOHNSON DR STE H, FREDERICK, MD 21702(301) 414-2300 Get Directions Write a Review

NPPES record last updated: July 22, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 22, 2026, Feb 16, 2025, May 5, 2021 (3 updates tracked since 2021).

About Dr. Melissa Alejandra Hernandez Md NPPES

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

DR. MELISSA ALEJANDRA HERNANDEZ MD (NPI 1598348633) is an individual obstetrics & gynecology provider in Frederick, Maryland, licensed in Maryland (D0106412) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598348633
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. MELISSA ALEJANDRA HERNANDEZCredential: MD
Location Address77 THOMAS JOHNSON DR STE HFrederick, MD 21702-4893
Mailing Address77 Thomas Johnson Dr Ste HFrederick, MD 21702-4893 · (301) 414-2300
Phone(301) 414-2300
Sole ProprietorNo
Enumeration DateMay 5, 2021
Last NPPES UpdateJuly 22, 20263 updates tracked since enumeration
NPPES CertifiedJuly 22, 2026
✔ NPI 1598348633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0106412
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
77 THOMAS JOHNSON DR STE H, Frederick, MD 21702
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Melissa Alejandra Hernandez Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21702 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
$133.05 typical visit price
range $57.99 – $175.57
Typical copayment $33.26 (range $14.49 – $43.89)
Most-billed visit code 99204
Established Patient
$72.23 typical visit price
range $18.66 – $143.02
Typical copayment $18.05 (range $4.66 – $35.75)
Most-billed visit code 99213
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 11

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

MARYLAND PHYSICIANS EDGE LLC
Obstetrics & Gynecology
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300
MRS. MINDI NICOLE COTTRELL NP
Nurse Practitioner (Family)
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300
RACHEL NICOLE SIMPSON MSN, CNM
Advanced Practice Midwife
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300
RACHEL ELYSE BLACHE CNM
Advanced Practice Midwife
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300
LEE ALEXIS MCKEEVER
Nurse Practitioner (Women's Health)
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300
HELEN BONILLA
Nurse Practitioner (Women's Health)
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300
ALEC SUNYECZ MD
Obstetrics & Gynecology
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300
ROSILAND HARPER
Nurse Practitioner (Women's Health)
77 THOMAS JOHNSON DR STE H
FREDERICK, MD 21702
Frederick County (301) 414-2300

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 Melissa Hernandez's NPI number?

The NPI number for Melissa Hernandez is 1598348633. It was assigned to this individual provider in the NPPES registry on May 5, 2021.

Where is Melissa Hernandez located?

Melissa Hernandez practices at 77 Thomas Johnson Dr Ste H, Frederick, MD 21702. The listed phone number is (301) 414-2300.

What is Melissa Hernandez's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Melissa Hernandez enrolled in Medicare?

Yes. Melissa Hernandez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Melissa Hernandez was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.