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LEA N BAER MD
NPI 1609037514
Internal Medicine - Hematology & Oncology in Stony Brook, NY

Active since June 23, 2008PECOS EnrolledAccepts Medicare Assignment
98.52/100
CMS Quality Rating
HSC T15 040, STONY BROOK, NY 11794(631) 638-0910(631) 638-0915 Get Directions Write a Review

NPPES record last updated: May 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lea N Baer Md NPPES

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

LEA N BAER MD (NPI 1609037514) is an individual hematology & oncology provider in Stony Brook, New York, licensed in New York (263795) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1609037514
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameLEA N BAERCredential: MD
Location AddressHSC T15 040Stony Brook, NY 11794-8151
Mailing AddressPo Box 1554Stony Brook, NY 11790-0988 · (631) 638-0650 · Fax (631) 638-4170
Phone(631) 638-0910
Fax(631) 638-0915
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJune 23, 2008
Last NPPES UpdateMay 3, 2022
NPPES CertifiedMay 3, 2022
✔ NPI 1609037514 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NY · 263795
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 263795 (NY)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
HSC T15 040, Stony Brook, NY 11794
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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

Lea N Baer 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 ID4284854639
PECOS Enrollment IDI20141007000099
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 Lea Baer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stony Brook Internists, University Faculty Practice Corporation
Same address
Cardiac Rehabilitation
SUNY @ STONY BROOK, HSC, L16, RM 020
Stony Brook, NY 11794
  • Reassigned Medicare billing, New York enrollment
  • Also billed through NPI 1578502100 (New York)
  • 177 clinicians in this Medicare group
NPI 1295778371 (631) 444-2448

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 7

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
294 services205 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.
192 services55 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.
116 services68 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.
66 services62 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
51 services51 patients
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.
44 services25 patients

Hospital Affiliations CMS Care Compare

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

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.85
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers14 claims14 services$63.13 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers14 claims14 services$33.58 avg. paid by Medicare
Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims460 services$0.71 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

AMNA FALAK SHER MD
Internal Medicine (Medical Oncology)
HSC T15 040
STONY BROOK, NY 11794
Suffolk County (631) 638-0910
HAROLD BIEN PH.D., M.D.
Internal Medicine (Hematology & Oncology)
HSC T15 040
STONY BROOK, NY 11794
Suffolk County (631) 638-0910

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 Lea Baer's NPI number?

The NPI number for Lea Baer is 1609037514. It was assigned to this individual provider in the NPPES registry on June 23, 2008.

Where is Lea Baer located?

Lea Baer practices at Hsc T15 040, Stony Brook, NY 11794. The listed phone number is (631) 638-0910.

What is Lea Baer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Lea Baer enrolled in Medicare?

Yes. Lea Baer 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 organization bills Medicare for Lea Baer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lea Baer reassigns Medicare benefits to Stony Brook Internists, University Faculty Practice Corporation (Stony Brook, NY). 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 Lea Baer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lea Baer affiliated with any hospitals?

According to CMS data, Lea Baer is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Lea Baer was last updated on May 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.