ELIZABETH A. PARKER MD
NPI 1437245040
Pediatrics - Pediatric Endocrinology in Annapolis, MD

Active since October 04, 2006PECOS Enrolled
49 OLD SOLOMONS ISLAND RD STE 303, ANNAPOLIS, MD 21401(410) 844-8998(866) 251-7548 Get Directions Write a Review

NPPES record last updated: June 21, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 21, 2019, Aug 17, 2018, Jan 10, 2018 (3 updates tracked since 2018).

About Elizabeth A. Parker Md NPPES

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

ELIZABETH A. PARKER MD (NPI 1437245040) is an individual pediatric endocrinology provider in Annapolis, Maryland, licensed in Maryland (D0063988) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437245040
Entity TypeIndividualFemale
Primary Taxonomy2080P0205X
Provider Legal NameELIZABETH A. PARKERCredential: MD
Location Address49 OLD SOLOMONS ISLAND RD STE 303Annapolis, MD 21401-3870
Mailing Address49 Old Solomons Island Rd Ste 303Annapolis, MD 21401-3870 · (410) 844-8998 · Fax (866) 251-7548
Fax(866) 251-7548
Sole ProprietorYes
Enumeration DateOctober 4, 2006
Last NPPES UpdateJune 21, 20193 updates tracked since enumeration
✔ NPI 1437245040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
Licenses✔ Licensed in MD · D0063988✔ Licensed in DC · MD036232
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
Also ListedPediatricsTaxonomy 208000000X · License D0063988 (MD)
49 OLD SOLOMONS ISLAND RD STE 303, Annapolis, MD 21401

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth A. Parker 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.

Medicare Billing Reassignment

Medicare enrollment records show Elizabeth Parker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatric Endocrinology
116 DEFENSE HWY STE 403
Annapolis, MD 21401
  • Reassigned Medicare billing, Maryland enrollment

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21401 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 2

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

Counselor (Professional)
49 OLD SOLOMONS ISLAND RD STE 303
ANNAPOLIS, MD 21401
Psychologist (Counseling)
49 OLD SOLOMONS ISLAND RD STE 303
ANNAPOLIS, MD 21401

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 Elizabeth Parker's NPI number?

The NPI number for Elizabeth Parker is 1437245040. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Elizabeth Parker located?

Elizabeth Parker practices at 49 Old Solomons Island Rd Ste 303, Annapolis, MD 21401. The listed phone number is (410) 844-8998.

What is Elizabeth Parker's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Elizabeth Parker enrolled in Medicare?

Yes. Elizabeth Parker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Elizabeth Parker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Parker reassigns Medicare benefits to Elizabeth A Parker MD LLC (Annapolis, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Elizabeth Parker was last updated on June 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.