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LAUREN COSGRIFF
NPI 1538628326
Obstetrics & Gynecology in Baltimore, MD

Active since March 19, 2019PECOS EnrolledAccepts Medicare Assignment
3333 N CALVERT ST STE 650, BALTIMORE, MD 21218(410) 554-7333 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 3, 2025, Jul 21, 2023, Mar 19, 2019 (3 updates tracked since 2019).

About Lauren Cosgriff NPPES

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

LAUREN COSGRIFF (NPI 1538628326) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Maryland (D0096439) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1538628326
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameLAUREN COSGRIFF
Location Address3333 N CALVERT ST STE 650Baltimore, MD 21218-6516
Mailing Address3333 N Calvert St Ste 650Baltimore, MD 21218-6516 · (410) 554-7333
Phone(410) 554-7333
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 19, 2019
Last NPPES UpdateNovember 3, 20253 updates tracked since enumeration
NPPES CertifiedNovember 3, 2025
✔ NPI 1538628326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0096439
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3333 N CALVERT ST STE 650, Baltimore, MD 21218
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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

Lauren Cosgriff 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 ID9032573431
PECOS Enrollment IDI20230919002013, I20251031001478
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 Lauren Cosgriff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medstar Medical Group II LLC
2.5 mi
General Practice
5601 LOCH RAVEN BLVD, RUSSELL MORGAN BLDG 3RD FL
Baltimore, MD 21239
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 3,530 clinicians in this Medicare group
NPI 1184046187 (443) 444-5606
Whc Emerg Phys
35 mi
Emergency Medical Services
110 IRVING ST NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Whc Physician Group LLC
  • 613 clinicians in this Medicare group
NPI 1306260625 (703) 558-1544

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

Hospital Affiliations CMS Care Compare 3

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

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Medstar Union Memorial Hospital

Acute Care Hospitals · Baltimore, MD
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210024
Location201 East University ParkwayBaltimore, MD 21218 · Baltimore City County
Emergency services

Medstar Good Samaritan Hospital

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210056
Location5601 Loch Raven BoulevardBaltimore, MD 21239 · Baltimore City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21218 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
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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

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

ELIZABETH DABNEY PEARCE JOHNSTON CRNP, CNM
Nurse Practitioner (Obstetrics & Gynecology)
3333 N CALVERT ST STE 650
BALTIMORE, MD 21218
Baltimore City (410) 554-7333

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 Lauren Cosgriff's NPI number?

The NPI number for Lauren Cosgriff is 1538628326. It was assigned to this individual provider in the NPPES registry on March 19, 2019.

Where is Lauren Cosgriff located?

Lauren Cosgriff practices at 3333 N Calvert St Ste 650, Baltimore, MD 21218. The listed phone number is (410) 554-7333.

What is Lauren Cosgriff's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Lauren Cosgriff enrolled in Medicare?

Yes. Lauren Cosgriff 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 Lauren Cosgriff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Cosgriff reassigns Medicare benefits to 2 organizations: Medstar Medical Group II LLC (Baltimore, MD) and Whc Emerg Phys (Washington, DC). 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 Lauren Cosgriff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lauren Cosgriff affiliated with any hospitals?

According to CMS data, Lauren Cosgriff is affiliated with Medstar Franklin Square Medical Center, Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Lauren Cosgriff was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.