HAYTHAM ALLAHAM
NPI 1679924500
Internal Medicine in Baltimore, MD

Q: What is Haytham Allaham's NPI number?

The NPI number for Haytham Allaham is 1679924500. It was assigned to this individual provider in the NPPES registry on June 22, 2016.

Q: What is Haytham Allaham's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Haytham Allaham was last updated on June 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since June 22, 2016PECOS Enrolled

110 S PACA ST, BALTIMORE, MD 21201(410) 328-7877 Get Directions Write a Review

NPPES record last updated: June 26, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 14, 2019, Jun 22, 2016 (2 updates tracked since 2016).

On this page

About Haytham Allaham NPPES

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

HAYTHAM ALLAHAM (NPI 1679924500) is an individual internal medicine provider in Baltimore, Maryland, licensed in Missouri (2016015536) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679924500

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameHAYTHAM ALLAHAM

Location Address110 S PACA STBaltimore, MD 21201-1642

Mailing Address110 S Paca St Fl 7Baltimore, MD 21201-1642 · (410) 328-7877

Phone(410) 328-7877

Sole ProprietorNo

Enumeration DateJune 22, 2016

Last NPPES UpdateJune 26, 20192 updates tracked since enumeration

✔ NPI 1679924500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MO · 2016015536

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.

110 S PACA ST, Baltimore, MD 21201

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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 (PECOS)

Haytham Allaham is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Haytham Allaham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Maryland Physicians PA

0.1 mi

Pulmonary Disease

22 S GREENE ST
Baltimore, MD 21201

Reassigned Medicare billing, Maryland enrollment
614 clinicians in this Medicare group

NPI 1144270687 (410) 328-8040

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 13

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

168 services106 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.

121 services42 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

90 services87 patients

Insertion of tube in right heart chambers for measurement 93451

This procedure involves placing a small, flexible tube into the right side of your heart. It helps assess how your heart is functioning by measuring pressures within the heart chambers. It's a key tool in diagnosing certain heart conditions.

36 services34 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

35 services35 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.

32 services18 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.

30 services30 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.

29 services29 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.

26 services24 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.

25 services22 patients

Replacement of aortic valve through the skin and femoral artery 33361

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

21 services21 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

20 services19 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.

15 services13 patients

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

$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.

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. JASJIT B ATWAL M.D.

Anesthesiology

110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201

Baltimore City (410) 328-6720

SIAMAK MOAYEDI M.D.

Emergency Medicine

110 S PACA ST, SIXTH FLOOR, SUITE 200
BALTIMORE, MD 21201

Baltimore City (410) 328-8025

JUDY PAN MD

Otolaryngology (Plastic Surgery within the Head & Neck)

110 S PACA ST
BALTIMORE, MD 21201

Baltimore City (410) 328-3058

JOHNS HOPKINS COMMUNITY PHYSICIANS, INC

Internal Medicine

110 S PACA ST
BALTIMORE, MD 21201

Baltimore City (410) 955-5000

DR. ILEANA GHEORGHIU M.D.

Anesthesiology

110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201

Baltimore City (410) 328-6720

MAELEE GRACE WILLIAMSON MD

Student in an Organized Health Care Education/Training Program

110 S PACA ST, 6TH FLOOR, SUITE 200
BALTIMORE, MD 21201

Baltimore City (667) 214-2208

DR. SHOBANA BHARADWAJ M.D.

Anesthesiology

110 S PACA ST, SUITE 300 6TH FL
BALTIMORE, MD 21201

Baltimore City (410) 328-6720

DR. SEEMA P. DESHPANDE MBBS

Anesthesiology

110 S PACA ST, SUITE 300, 6TH FLOOR
BALTIMORE, MD 21201

Baltimore City (410) 328-6331

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 Haytham Allaham's NPI number?

The NPI number for Haytham Allaham is 1679924500. It was assigned to this individual provider in the NPPES registry on June 22, 2016.

Where is Haytham Allaham located?

Haytham Allaham practices at 110 S Paca St, Baltimore, MD 21201. The listed phone number is (410) 328-7877.

What is Haytham Allaham's specialty?

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

Is Haytham Allaham enrolled in Medicare?

Yes. Haytham Allaham is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Haytham Allaham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Haytham Allaham reassigns Medicare benefits to University Of Maryland Physicians PA (Baltimore, MD). 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 Haytham Allaham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Haytham Allaham was last updated on June 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.