LINDSEY ROBERT BADEN MD
NPI 1326004805
Internal Medicine - Infectious Disease in Boston, MA

Active since April 25, 2006PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DIV OF INFECTIOUS DISEASE, BOSTON, MA 02115(617) 732-8881 Get Directions Write a Review

NPPES record last updated: November 11, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lindsey Robert Baden Md NPPES

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

LINDSEY ROBERT BADEN MD (NPI 1326004805) is an individual infectious disease provider in Boston, Massachusetts, licensed in Massachusetts (80149) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1992).

NPPES Registry Identity

NPI1326004805
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameLINDSEY ROBERT BADENCredential: MD
Location Address75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL DIV OF INFECTIOUS DISEASEBoston, MA 02115
Mailing Address75 Francis StBoston, MA 02115-6110 · (617) 732-5500
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1992
Enumeration DateApril 25, 2006
Last NPPES UpdateNovember 11, 2020
NPPES CertifiedNovember 11, 2020
✔ NPI 1326004805 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in MA · 80149
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
75 FRANCIS STREET, Boston, MA 02115

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

Lindsey Robert Baden Md 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 ID2163474537
PECOS Enrollment IDI20050214000575
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

4

Medicare enrollment records show Lindsey Baden reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
General Acute Care Hospital
450 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,026 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
56 services34 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
38 services28 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
34 services33 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services16 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
13 services11 patients

Hospital Affiliations CMS Care Compare

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 20

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

Student in an Organized Health Care Education/Training Program
75 FRANCIS STREET
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS STREET, BRIGHAM AND WOMENS HOSPITAL RADIOLOGY DEPT
BOSTON, MA 02115
Physician Assistant
75 FRANCIS STREET
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS STREET
BOSTON, MA 02115
Obstetrics & Gynecology
75 FRANCIS STREET, WOMENS HEALTH DEPARTMENT OBGYN
BOSTON, MA 02115
Internal Medicine
75 FRANCIS STREET, BRIGHAM INTERNAL MEDICINE ASSOCIATES
BOSTON, MA 02115
Surgery
75 FRANCIS STREET, BRIGHAM AND WOMEN'S HOSPITAL DIVISION OF GENERAL AND GA
BOSTON, MA 02115
Physician Assistant
75 FRANCIS STREET
BOSTON, MA 02115

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 Lindsey Baden's NPI number?

The NPI number for Lindsey Baden is 1326004805. It was assigned to this individual provider in the NPPES registry on April 25, 2006.

Where is Lindsey Baden located?

Lindsey Baden practices at 75 Francis Street Brigham And Womens Hospital Div Of Infectious Disease, Boston, MA 02115. The listed phone number is (617) 732-8881.

What is Lindsey Baden's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Lindsey Baden enrolled in Medicare?

Yes. Lindsey Baden 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 Lindsey Baden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lindsey Baden reassigns Medicare benefits to 4 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Dana-Farber Cancer Institute, Inc. (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). 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 Lindsey Baden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lindsey Baden affiliated with any hospitals?

According to CMS data, Lindsey Baden is affiliated with Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Lindsey Baden was last updated on November 11, 2020. 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.