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HANNAH MAINSTAIN FNP-BC
NPI 1942857917
Nurse Practitioner - Family in Baltimore, MD

Active since August 23, 2019PECOS EnrolledAccepts Medicare Assignment
83.58/100
CMS Quality Rating
2702 GEARTNER RD, BALTIMORE, MD 21209(443) 318-8713(443) 870-4919 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 14, 2026, Jun 24, 2025, Apr 4, 2024 and 2 more (5 updates tracked since 2019).

About Hannah Mainstain Fnp-bc NPPES

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

HANNAH MAINSTAIN FNP-BC (NPI 1942857917) is an individual family provider in Baltimore, Maryland, licensed in Maryland (R209667) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1942857917
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameHANNAH MAINSTAINCredential: FNP-BC
Location Address2702 GEARTNER RDBaltimore, MD 21209-1410
Mailing Address2702 Geartner RdBaltimore, MD 21209-1410 · (443) 318-8713 · Fax (443) 870-4919
Phone(443) 318-8713
Fax(443) 870-4919
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 23, 2019
Last NPPES UpdateJanuary 14, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1942857917 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MD · R209667
2702 GEARTNER RD, Baltimore, MD 21209
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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 and accepts Medicare assignment

Hannah Mainstain Fnp-bc 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 ID9032542907
PECOS Enrollment IDI20191206001096, I20250709000979
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.
104 services90 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.
101 services90 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
52 services52 patients
Face-to-face behavioral counseling for obesity, 15 minutes G0447
This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.
20 services20 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21209 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

83.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.15
Promoting Interoperability100
Improvement Activities40
Cost62.64

Referred Medical Equipment & Supplies CMS DME claims 3

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
15 suppliers27 claims58 services$5.29 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
7 suppliers12 claims13 services$0.80 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$34.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

MAIN HEALTHCARE LLC
Nurse Practitioner (Family)
2702 GEARTNER RD
BALTIMORE, MD 21209
Baltimore County (443) 318-8713

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 Hannah Mainstain's NPI number?

The NPI number for Hannah Mainstain is 1942857917. It was assigned to this individual provider in the NPPES registry on August 23, 2019.

Where is Hannah Mainstain located?

Hannah Mainstain practices at 2702 Geartner Rd, Baltimore, MD 21209. The listed phone number is (443) 318-8713.

What is Hannah Mainstain's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Hannah Mainstain enrolled in Medicare?

Yes. Hannah Mainstain 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 Hannah Mainstain was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.