MRS. MARIE STOCKWIN PA-C
NPI 1306171863
Physician Assistant in Frederick, MD

Active since October 15, 2009PECOS EnrolledAccepts Medicare Assignment
194 THOMAS JOHNSON DR, FREDERICK, MD 21702(240) 215-6310 Get Directions Write a Review

NPPES record last updated: January 9, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 9, 2023, Dec 6, 2022 (2 updates tracked since 2022).

About Mrs. Marie Stockwin Pa-c NPPES

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

MRS. MARIE STOCKWIN PA-C (NPI 1306171863) is an individual physician assistant in Frederick, Maryland, licensed in Maryland (C04073) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, is affiliated with Meritus Medical Center, and maintains 14 additional practice locations.

NPPES Registry Identity

NPI1306171863
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. MARIE STOCKWINCredential: PA-C
Location Address194 THOMAS JOHNSON DRFrederick, MD 21702-4679
Mailing Address400 W 7th StFrederick, MD 21701-4506 · (240) 439-8913
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateOctober 15, 2009
Last NPPES UpdateJanuary 9, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 9, 2023
NPI 1306171863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MD · C04073
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

194 THOMAS JOHNSON DR, Frederick, MD 21702

Secondary Practice Locations 14

Location 1251 E Antietam StHagerstown, MD 21740-5724 · Phone (301) 790-8804
Location 2501 W 7th StFrederick, MD 21701-4586 · Phone (240) 215-6310
Location 375 Thomas Johnson DrFrederick, MD 21702-4895 · Phone (240) 215-6310
Location 4141 Thomas Johnson DrFrederick, MD 21702-4502 · Phone (301) 846-0100
Location 516403 Old Emmitsburg RdEmmitsburg, MD 21727-8929 · Phone (240) 215-6310
Location 6400 W 7th StFrederick, MD 21701-4506 · Phone (240) 215-6310
Location 715 E Frederick StWalkersville, MD 21793-8234 · Phone (240) 215-6310
Location 8230 W Patrick StFrederick, MD 21701-6945 · Phone (240) 215-6310
Location 9504 E Ridgeville BlvdMount Airy, MD 21771-5942 · Phone (240) 215-6310
Location 107211 Bank CtFrederick, MD 21703-8483 · Phone (240) 215-6310
Location 113000D Ventrie CtMyersville, MD 21773-7817 · Phone (240) 215-6310
Location 123430 Worthington BlvdFrederick, MD 21704-7017 · Phone (240) 215-6310
Location 131562 Opossumtown PikeFrederick, MD 21702-4920 · Phone (240) 215-6310
Location 1411116 Medical Campus RdHagerstown, MD 21742-6710 · Phone (301) 790-8804

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

Mrs. Marie Stockwin Pa-c 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 ID446386304
PECOS Enrollment IDI20100330000713
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 4

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
127 services94 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
68 services66 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.
50 services44 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
20 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Meritus Medical Center

Acute Care Hospitals · Hagerstown, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210001
Location11116 Medical Campus RoadHagerstown, MD 21742 · Washington County
Emergency services Birthing friendly

Frederick Health Hospital

Acute Care Hospitals · Frederick, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210005
Location400 West Seventh StFrederick, MD 21701 · Frederick County
Emergency services Birthing friendly

Carroll Hospital Center

Acute Care Hospitals · Westminster, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210033
Location200 Memorial AvenueWestminster, MD 21157 · Carroll County
Emergency services Birthing friendly

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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
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 20

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

Nurse Practitioner
194 THOMAS JOHNSON DR, STE A
FREDERICK, MD 21702
Family Medicine
194 THOMAS JOHNSON DR, SUITE A
FREDERICK, MD 21702
Nurse Practitioner
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Physician Assistant
194 THOMAS JOHNSON DR, SUITE A
FREDERICK, MD 21702
Family Medicine
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Nurse Practitioner (Family)
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Physician Assistant
194 THOMAS JOHNSON DR
FREDERICK, MD 21702
Internal Medicine (Hematology)
194 THOMAS JOHNSON DR
FREDERICK, MD 21702

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 Marie Stockwin's NPI number?

The NPI number for Marie Stockwin is 1306171863. It was assigned to this individual provider in the NPPES registry on October 15, 2009.

Where is Marie Stockwin located?

Marie Stockwin practices at 194 Thomas Johnson Dr, Frederick, MD 21702. The listed phone number is (240) 215-6310.

What is Marie Stockwin's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Marie Stockwin enrolled in Medicare?

Yes. Marie Stockwin 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 Marie Stockwin affiliated with any hospitals?

According to CMS data, Marie Stockwin is affiliated with Meritus Medical Center, Frederick Health Hospital and Carroll Hospital Center.

When was this NPI record last updated?

The NPPES record for Marie Stockwin was last updated on January 9, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.