1. Home
  2. Directory
  3. Maryland
  4. Baltimore
  5. Internal Medicine
  6. NPI Profile

SARA LAUREN GRASSI
NPI 1477015303
Internal Medicine in Baltimore, MD

Active since April 01, 2019PECOS Enrolled
601 N CAROLINE ST STE 1261, BALTIMORE, MD 21287(781) 744-8000 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 2, 2025, Jul 14, 2019, Apr 1, 2019 (3 updates tracked since 2019).

About Sara Lauren Grassi NPPES

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

SARA LAUREN GRASSI (NPI 1477015303) is an individual internal medicine provider in Baltimore, Maryland, licensed in Massachusetts (1015018) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Drexel University College Of Medicine (2019).

NPPES Registry Identity

NPI1477015303
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSARA LAUREN GRASSI
Location Address601 N CAROLINE ST STE 1261Baltimore, MD 21287-0006
Mailing Address601 N Caroline St Ste 1261Baltimore, MD 21287-0006
Phone(781) 744-8000
Sole ProprietorNo
Medical School CMSDrexel University College Of MedicineGraduated 2019
Enumeration DateApril 1, 2019
Last NPPES UpdateOctober 28, 20253 updates tracked since enumeration
NPPES CertifiedOctober 28, 2025
✔ NPI 1477015303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MA · 1015018✔ Licensed in MA · 280125
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License D0103755 (MD)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
601 N CAROLINE ST STE 1261, Baltimore, MD 21287
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sara Lauren Grassi is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476887241
PECOS Enrollment IDI20260114002046
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.

Hospital Affiliations CMS Care Compare 2

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

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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

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

SEEMA GULYANI CRNP,PHD
Nurse Practitioner (Adult Health)
601 N CAROLINE ST STE 1261
BALTIMORE, MD 21287
Baltimore City (443) 287-3313

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 Sara Grassi's NPI number?

The NPI number for Sara Grassi is 1477015303. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Sara Grassi located?

Sara Grassi practices at 601 N Caroline St Ste 1261, Baltimore, MD 21287. The listed phone number is (781) 744-8000.

What is Sara Grassi's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sara Grassi enrolled in Medicare?

Yes. Sara Grassi is registered in the Medicare PECOS enrollment system.

Is Sara Grassi affiliated with any hospitals?

According to CMS data, Sara Grassi is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Sara Grassi was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.