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MARK LOREN FEHR M.D, M.P.H
NPI 1275781338
Psychiatry & Neurology - Neurology in Baltimore, MD

Active since September 03, 2008PECOS EnrolledAccepts Medicare Assignment
83.33/100
CMS Quality Rating
301 ST. PAUL PLACE, POB 804, BALTIMORE, MD 21203(410) 649-3485(410) 659-2817 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 1, 2024, Mar 17, 2018, Feb 22, 2018 (3 updates tracked since 2018).

About Mark Loren Fehr M.d, M.p.h NPPES

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

MARK LOREN FEHR M.D, M.P.H (NPI 1275781338) is an individual neurology provider in Baltimore, Maryland, licensed in Maryland (D0082291) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and maintains a secondary practice location in Elmhurst.

NPPES Registry Identity

NPI1275781338
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameMARK LOREN FEHRCredential: M.D, M.P.H
Location Address301 ST. PAUL PLACE, POB 804Baltimore, MD 21203
Mailing Address301 St. Paul Place, Pob 804Baltimore, MD 21203 · (410) 649-3485 · Fax (410) 659-2817
Phone(410) 649-3485
Fax(410) 659-2817
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateSeptember 3, 2008
Last NPPES UpdateMay 1, 20243 updates tracked since enumeration
✔ NPI 1275781338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in MD · D0082291
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
301 ST. PAUL PLACE, Baltimore, MD 21203
Open in Google Maps ↗

Secondary Practice Location 1

Location 11200 S York St, Ste 3160Elmhurst, IL 60126-5626 · Phone (331) 221-9090 · Fax (331) 221-3996

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, Blue Cross and Blue Shield of Texas.Insurance ›

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

Mark Loren Fehr M.d, M.p.h 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 ID8527238914
PECOS Enrollment IDI20161102002037
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 Mark Fehr reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saint Paul Place Specialists, Inc.
Same address
Clinical Pathology/Laboratory Medicine
301 ST PAUL PLACE
Baltimore, MD 21202
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: St Paul Place Specialists, Inc.
  • 423 clinicians in this Medicare group
NPI 1053352070 (410) 332-9882
On Demand Neurology PA
172 mi
Neurology
205 E 42ND ST STE 1947
New York, NY 10017
  • Reassigned Medicare billing, Florida, Massachusetts and Maryland enrollments
  • 16 clinicians in this Medicare group
NPI 1265016174 (313) 887-0960

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 10

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 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.
202 services160 patients
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.
171 services148 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.
52 services48 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
28 services28 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.
28 services23 patients
Measurement of brain wave activity (eeg), awake and drowsy 95816
Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.
25 services25 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210008
Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County
Emergency services Birthing friendly

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 21203 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.

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.

83.33/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.7
Promoting Interoperability100
Improvement Activities40

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 Mark Fehr's NPI number?

The NPI number for Mark Fehr is 1275781338. It was assigned to this individual provider in the NPPES registry on September 3, 2008.

Where is Mark Fehr located?

Mark Fehr practices at 301 St. Paul Place Pob 804, Baltimore, MD 21203. The listed phone number is (410) 649-3485.

What is Mark Fehr's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Mark Fehr enrolled in Medicare?

Yes. Mark Fehr 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 Mark Fehr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Fehr reassigns Medicare benefits to 2 organizations: Saint Paul Place Specialists, Inc. (Baltimore, MD) and On Demand Neurology PA (New York, NY). 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 Mark Fehr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Fehr accept?

Health plans from Blue Cross and Blue Shield of NC and Blue Cross and Blue Shield of Texas list Mark Fehr as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Fehr affiliated with any hospitals?

According to CMS data, Mark Fehr is affiliated with Mercy Medical Center Inc and Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Mark Fehr was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.