DR. JENNIFER ANNE LAMMERS D.O.
NPI 1265816474
Pediatrics - Pediatric Emergency Medicine in Baltimore, MD

Active since July 17, 2015PECOS EnrolledAccepts Medicare Assignment
22 S GREENE ST, BALTIMORE, MD 21201(410) 706-5181(410) 328-6136 Get Directions Write a Review

NPPES record last updated: November 9, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 9, 2023, Mar 11, 2022 (2 updates tracked since 2022).

About Dr. Jennifer Anne Lammers D.o. NPPES

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

DR. JENNIFER ANNE LAMMERS D.O. (NPI 1265816474) is an individual pediatric emergency medicine provider in Baltimore, Maryland, licensed in Texas (T5603) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of West Virginia School Of Osteopathic Medicine (2014).

NPPES Registry Identity

NPI1265816474
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameDR. JENNIFER ANNE LAMMERSCredential: D.O.
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing Address650 W Lombard StBaltimore, MD 21201-1513 · (410) 706-5181 · Fax (410) 328-6136
Fax(410) 328-6136
Sole ProprietorNo
Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2014
Enumeration DateJuly 17, 2015
Last NPPES UpdateNovember 9, 20232 updates tracked since enumeration
NPPES CertifiedNovember 9, 2023
✔ NPI 1265816474 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in TX · T5603
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License T5603 (TX)
22 S GREENE ST, Baltimore, MD 21201

Secondary Practice Location 1

Location 1650 W Lombard StBaltimore, MD 21201-1513 · Phone (410) 328-6335 · Fax (410) 328-6136

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Anne Lammers D.o. 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 ID3577958891
PECOS Enrollment IDI20231207004099
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 Reassignments

2

Medicare enrollment records show Jennifer Lammers reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
22 SOUTH GREENE STREET
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: University Of Maryland Pediatric Associates, PA
  • 172 clinicians in this Medicare group
Pediatrics
333 N SANTA ROSA
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 453 clinicians in this Medicare group

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

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.

Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201

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 Jennifer Lammers's NPI number?

The NPI number for Jennifer Lammers is 1265816474. It was assigned to this individual provider in the NPPES registry on July 17, 2015.

Where is Jennifer Lammers located?

Jennifer Lammers practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 706-5181.

What is Jennifer Lammers's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Jennifer Lammers enrolled in Medicare?

Yes. Jennifer Lammers 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.

Which organizations bill Medicare for Jennifer Lammers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Lammers reassigns Medicare benefits to 2 organizations: University Of Maryland Pediatric Assoc PA (Baltimore, MD) and Baylor College Of Medicine (San Antonio, TX). Each 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 Jennifer Lammers'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 Jennifer Lammers was last updated on November 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.