FLORENCIA Z ERWIN PA-C
NPI 1992081509
Physician Assistant in Frederick, MD

Active since October 26, 2011PECOS EnrolledAccepts Medicare Assignment
850 OAK ST, FREDERICK, MD 21703(240) 566-3300 Get Directions Write a Review

NPPES record last updated: May 18, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Florencia Z Erwin Pa-c NPPES

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

FLORENCIA Z ERWIN PA-C (NPI 1992081509) is an individual physician assistant in Frederick, Maryland, licensed in Maryland (C04630) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Issaquah, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1992081509
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameFLORENCIA Z ERWINCredential: PA-C
Location Address850 OAK STFrederick, MD 21703-8442
Mailing Address20120 Ballinger Way Ne Suite BShoreline, WA 98155 · (206) 858-5059 · Fax (949) 385-9207
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateOctober 26, 2011
Last NPPES UpdateMay 18, 2021
NPPES CertifiedMay 18, 2021
NPI 1992081509 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 · C04630
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.
850 OAK ST, Frederick, MD 21703

Other Names 1

Former Name (1)Florencia Z Zamudio

Secondary Practice Location 1

Location 1751 NE Blakely Dr Ste 2030Issaquah, WA 98029-6201 · Phone (425) 313-4141 · Fax (425) 313-4140

Accepted Insurance

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

Florencia Z Erwin 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 ID446425243
PECOS Enrollment IDI20121012000413
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 21703 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 13

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

Family Medicine
850 OAK ST
FREDERICK, MD 21703
Internal Medicine
850 OAK ST
FREDERICK, MD 21703
Family Medicine
850 OAK ST
FREDERICK, MD 21703
Psychiatry & Neurology (Psychiatry)
850 OAK ST
FREDERICK, MD 21703
Physician Assistant
850 OAK ST
FREDERICK, MD 21703
Dietitian, Registered (Nutrition, Obesity and Weight Management)
850 OAK ST
FREDERICK, MD 21703
Physician Assistant (Medical)
850 OAK ST
FREDERICK, MD 21703
Physician Assistant
850 OAK ST
FREDERICK, MD 21703

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 Florencia Erwin's NPI number?

The NPI number for Florencia Erwin is 1992081509. It was assigned to this individual provider in the NPPES registry on October 26, 2011. The provider is also known as Florencia Z Zamudio.

Where is Florencia Erwin located?

Florencia Erwin practices at 850 Oak St, Frederick, MD 21703. The listed phone number is (240) 566-3300.

What is Florencia Erwin's specialty?

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

Is Florencia Erwin enrolled in Medicare?

Yes. Florencia Erwin 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.

What insurance does Florencia Erwin accept?

Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Florencia Erwin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Florencia Erwin was last updated on May 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.