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SEYED EBRAHIM KASSAIAN MD
NPI 1538629324
Internal Medicine in Baltimore, MD

Active since March 20, 2019PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
201 E UNIVERSITY PKWY DEPT OF, BALTIMORE, MD 21218(410) 554-2284(410) 554-2184 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 20, 2025, Jun 13, 2025, Jul 2, 2021 and 1 more (4 updates tracked since 2019).

About Seyed Ebrahim Kassaian Md NPPES

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

SEYED EBRAHIM KASSAIAN MD (NPI 1538629324) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0092037) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Harris Health System, and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1538629324
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSEYED EBRAHIM KASSAIANCredential: MD
Location Address201 E UNIVERSITY PKWY DEPT OFBaltimore, MD 21218-2829
Mailing Address201 E University Pkwy Dept OfBaltimore, MD 21218-2829 · (410) 554-2284 · Fax (410) 554-2184
Phone(410) 554-2284
Fax(410) 554-2184
Sole ProprietorYes
Medical School CMSOtherGraduated 1994
Enumeration DateMarch 20, 2019
Last NPPES UpdateJune 20, 20254 updates tracked since enumeration
NPPES CertifiedJune 20, 2025
✔ NPI 1538629324 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 MD · D0092037✔ Licensed in TX · V8297
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 · Cardiovascular DiseaseTaxonomy 207RC0000X · License V8297 (TX)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License V8297 (TX)
201 E UNIVERSITY PKWY DEPT OF, Baltimore, MD 21218
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Secondary Practice Location 1

Location 11504 Taub LoopHouston, TX 77030-1608 · Phone (713) 873-8890

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Seyed Ebrahim Kassaian 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 ID7911309810
PECOS Enrollment IDI20250619002356
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

3

Medicare enrollment records show Seyed Ebrahim Kassaian reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medstar Medical Group II LLC
2.5 mi
General Practice
5601 LOCH RAVEN BLVD, RUSSELL MORGAN BLDG 3RD FL
Baltimore, MD 21239
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 3,530 clinicians in this Medicare group
NPI 1184046187 (443) 444-5606
Medstar Heart Institute LLC
35 mi
Surgery
110 IRVING ST NW, ATTN: MEDICAL AFFAIRS
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 277 clinicians in this Medicare group
NPI 1528345378 (202) 877-5284
Baylor College Of Medicine
1,256 mi
Family Medicine
1504 TAUB LOOP
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
NPI 1053352914 (713) 873-2000

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 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.

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.
186 services138 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.
96 services26 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
81 services67 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
37 services37 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.
33 services26 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.
23 services23 patients

Hospital Affiliations CMS Care Compare

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

Harris Health System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450289
Location2525 Holly HallHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21218 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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

Referred Medical Equipment & Supplies CMS DME claims 7

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

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
1 supplier12 claims13 services$35.25 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers23 claims23 services$13.96 avg. paid by Medicare
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
3 suppliers43 claims43 services$67.54 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$36.44 avg. paid by Medicare
Injection, milrinone lactate, 5 mg J2260
Treatment-Injections and Infusions (nononcologic) · category RI026N
1 supplier12 claims351 services$1.31 avg. paid by Medicare
Extra heavy duty wheelchair K0007
DME-Wheelchairs · category DD000N
1 supplier12 claims12 services$55.98 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. AHMED TAREK MOHAMED ABDELHALIM MD
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
DR. WILLIAM HEMSLEY MERWIN III M.D.
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
MAHVASH MOZAFARIAN
Internal Medicine
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
SHIVA SHAGHAGHI MD
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
DR. BASEM AL ACHRAS
Internal Medicine
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
LIBERTIE BROUSSARD MD, MHS
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
DR. CLAUDIA GEORGES MD
Internal Medicine (Adolescent Medicine)
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284
NOOSHIN MIRKHESHTI MD
Student in an Organized Health Care Education/Training Program
201 E UNIVERSITY PKWY DEPT OF
BALTIMORE, MD 21218
Baltimore City (410) 554-2284

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 Seyed Ebrahim Kassaian's NPI number?

The NPI number for Seyed Ebrahim Kassaian is 1538629324. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Where is Seyed Ebrahim Kassaian located?

Seyed Ebrahim Kassaian practices at 201 E University Pkwy Dept Of, Baltimore, MD 21218. The listed phone number is (410) 554-2284.

What is Seyed Ebrahim Kassaian's specialty?

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

Is Seyed Ebrahim Kassaian enrolled in Medicare?

Yes. Seyed Ebrahim Kassaian 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 Seyed Ebrahim Kassaian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Seyed Ebrahim Kassaian reassigns Medicare benefits to 3 organizations: Medstar Medical Group II LLC (Baltimore, MD), Medstar Heart Institute LLC (Washington, DC) and Baylor College Of Medicine (Houston, TX). 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 Seyed Ebrahim Kassaian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Seyed Ebrahim Kassaian accept?

Health plans from Blue Cross and Blue Shield of Texas list Seyed Ebrahim Kassaian 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 Seyed Ebrahim Kassaian affiliated with any hospitals?

According to CMS data, Seyed Ebrahim Kassaian is affiliated with Harris Health System.

When was this NPI record last updated?

The NPPES record for Seyed Ebrahim Kassaian was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.