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BARBARA MERCADO-STALLARD MD
NPI 1396734497
Obstetrics & Gynecology in Ellsworth, ME

Active since October 20, 2005PECOS EnrolledAccepts Medicare Assignment
50 UNION ST STE 3200, ELLSWORTH, ME 04605(207) 664-5650(207) 664-5651 Get Directions Write a Review

NPPES record last updated: January 30, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Barbara Mercado-stallard Md NPPES

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

BARBARA MERCADO-STALLARD MD (NPI 1396734497) is an individual obstetrics & gynecology provider in Ellsworth, Maine, licensed in Virginia (0101059310) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Northern Light Eastern Maine Medical Center, and is a graduate of Icahn School Of Medicine At Mount Sinai (1995).

NPPES Registry Identity

NPI1396734497
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameBARBARA MERCADO-STALLARDCredential: MD
Location Address50 UNION ST STE 3200Ellsworth, ME 04605-1534
Mailing Address50 Union StEllsworth, ME 04605-1534 · (207) 664-5650 · Fax (207) 664-5651
Phone(207) 664-5650
Fax(207) 664-5651
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1995
Enumeration DateOctober 20, 2005
Last NPPES UpdateJanuary 30, 2018
✔ NPI 1396734497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in VA · 0101059310
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.
50 UNION ST STE 3200, Ellsworth, ME 04605
Open in Google Maps ↗

Other Identifiers 1

Medicaid6213847VA

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

Barbara Mercado-stallard 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 ID6800073859
PECOS Enrollment IDI20171009000998
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 5

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 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.
62 services36 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.
58 services43 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
31 services31 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Northern Light Eastern Maine Medical Center

Acute Care Hospitals · Bangor, ME
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200033
Location489 State StreetBangor, ME 04401 · Penobscot County
Emergency services Birthing friendly

Northern Light Maine Coast Hospital

Acute Care Hospitals · Ellsworth, ME
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number200050
Location50 Union StreetEllsworth, ME 04605 · Hancock County
Emergency services Birthing friendly

Northern Light Blue Hill Memorial Hospital

Critical Access Hospitals · Blue Hill, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201300
Location57 Water StreetBlue Hill, ME 04614 · Hancock County
Emergency services

Mount Desert Island Hospital

Critical Access Hospitals · Bar Harbor, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201304
Location10 Wayman Lane, PO Box 8Bar Harbor, ME 04609 · Hancock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04605 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
$123.23 typical visit price
range $53.26 – $162.77
Typical copayment $30.80 (range $13.31 – $40.69)
Most-billed visit code 99204
Established Patient
$66.74 typical visit price
range $16.90 – $132.79
Typical copayment $16.68 (range $4.22 – $33.19)
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

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

RUTH JEAN HOPE CNM/APRN
Advanced Practice Midwife
50 UNION ST STE 3200
ELLSWORTH, ME 04605
Hancock County (207) 664-5350

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 Barbara Mercado-stallard's NPI number?

The NPI number for Barbara Mercado-stallard is 1396734497. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Where is Barbara Mercado-stallard located?

Barbara Mercado-stallard practices at 50 Union St Ste 3200, Ellsworth, ME 04605. The listed phone number is (207) 664-5650.

What is Barbara Mercado-stallard's specialty?

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

Is Barbara Mercado-stallard enrolled in Medicare?

Yes. Barbara Mercado-stallard 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 Barbara Mercado-stallard affiliated with any hospitals?

According to CMS data, Barbara Mercado-stallard is affiliated with Northern Light Eastern Maine Medical Center, Northern Light Maine Coast Hospital, Northern Light Blue Hill Memorial Hospital and Mount Desert Island Hospital.

When was this NPI record last updated?

The NPPES record for Barbara Mercado-stallard was last updated on January 30, 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.