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DR. MARIA BAER MD
NPI 1700881802
Internal Medicine - Hematology & Oncology in Baltimore, MD

Active since June 15, 2005PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-8708(410) 328-6896 Get Directions Write a Review

NPPES record last updated: September 6, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Maria Baer Md NPPES

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

DR. MARIA BAER MD (NPI 1700881802) is an individual hematology & oncology provider in Baltimore, Maryland, licensed in Maryland (D65598) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (1979).

NPPES Registry Identity

NPI1700881802
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MARIA BAERCredential: MD
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing AddressPo Box 62602Baltimore, MD 21264-2602 · (410) 328-8708 · Fax (410) 328-6896
Phone(410) 328-8708
Fax(410) 328-6896
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 1979
Enumeration DateJune 15, 2005
Last NPPES UpdateSeptember 6, 2011
✔ NPI 1700881802 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in MD · D65598
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.
22 S GREENE ST, Baltimore, MD 21201
Open in Google Maps ↗

Other Identifiers 5

Medicare PIN349LQ457MD
Other893472-01MD · Bc/bs
Medicaid021206700MD
Medicare PINP00947383MD
OtherS053-0056MD · Bc/bs Regional

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Maria 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 ID4688774896
PECOS Enrollment IDI20070717000121
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.

Areas of Expertise CMS Part B claims 8

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 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.
137 services39 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.
126 services67 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
112 services34 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 services15 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.
32 services31 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

University Of Maryland Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210002
Location22 South Greene StreetBaltimore, MD 21201 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
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.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability99
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

Injection, blinatumomab, 1 microgram J9039
Treatment-Chemotherapy · category RH002N
1 supplier11 claims1,435 services$103.41 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 20

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

DR. LEONARD ANANG SOWAH M.D.
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 706-4619
VISHAL BHATNAGAR MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
NANCE J FOX P.A.-C
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Baltimore City (410) 328-1170
HILARY TAMARA WOLF MD
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 328-7373
MS. LINDSAY BREAM O'MEARA CRNP
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Baltimore City (410) 328-3365
NORA T OLIVER M.D., M.P.H.
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756
SHOSHANA JO WEINER
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (617) 214-1332
JENNA VANLIERE CANZONIERO M.D.
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756

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 Maria Baer's NPI number?

The NPI number for Maria Baer is 1700881802. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Where is Maria Baer located?

Maria Baer practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-8708.

What is Maria Baer's specialty?

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

Is Maria Baer enrolled in Medicare?

Yes. Maria 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.

Is Maria Baer affiliated with any hospitals?

According to CMS data, Maria Baer is affiliated with University Of Maryland Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Baer was last updated on September 6, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.