Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PHILIP A MACKOWIAK M.D.
NPI 1750343414
Internal Medicine - Infectious Disease in Baltimore, MD

Q: What is Philip Mackowiak's NPI number?

The NPI number for Philip Mackowiak is 1750343414. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Q: What is Philip Mackowiak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Philip Mackowiak was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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 April 06, 2006

10 N GREENE ST, ROOM 5D143, BALTIMORE, MD 21201(410) 605-7199(410) 650-7849 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Philip A Mackowiak M.d. NPPES

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

DR. PHILIP A MACKOWIAK M.D. (NPI 1750343414) is an individual infectious disease provider in Baltimore, Maryland, licensed in Maryland (D13848) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1750343414

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. PHILIP A MACKOWIAKCredential: M.D.

Location Address10 N GREENE ST, ROOM 5D143Baltimore, MD 21201-1524

Mailing Address10 N Greene St, Room 5d143Baltimore, MD 21201-1524 · (410) 605-7199 · Fax (410) 650-7849

Phone(410) 605-7199

Fax(410) 650-7849

Sole ProprietorNo

Enumeration DateApril 6, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1750343414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in MD · D13848

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

10 N GREENE ST, Baltimore, MD 21201

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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. NICHOLAS SEWELL BENNETT D.D.S.

Dentist

10 N GREENE ST, 2-D-137
BALTIMORE, MD 21201

Baltimore City (410) 605-7056

KIMBERLY SINGLE LMSW

Social Worker

10 N GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 605-7000

UNIVERSITY OF MARYLAND EMERGENCY MEDICINE ASSOCIATES, PA

Emergency Medicine

10 N GREENE ST
BALTIMORE, MD 21201

Baltimore City (301) 631-8103

MRS. ERIN DAY MAGGART LCSW-C

Social Worker (Clinical)

10 N GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 590-4140

MR. CHRISTOPHER WILLIAM BUSER LCSW-C

Social Worker (Clinical)

10 N GREENE ST, BT/101/MC
BALTIMORE, MD 21201

Baltimore City (410) 605-7259

PAUL E. RUSKIN M.D.

Psychiatry & Neurology (Psychiatry)

10 N GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 605-7354

MRS. ROSEMARY ANNE SMITH-LAMACCHIA NP

Nurse Practitioner (Adult Health)

10 N GREENE ST, SURGERY SERVICE 112/S
BALTIMORE, MD 21201

Baltimore City (410) 605-7000

MS. SONYA J MORRIS ICSW

Social Worker (Clinical)

10 N GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 605-7000

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 Philip Mackowiak's NPI number?

The NPI number for Philip Mackowiak is 1750343414. It was assigned to this individual provider in the NPPES registry on April 6, 2006.

Where is Philip Mackowiak located?

Philip Mackowiak practices at 10 N Greene St Room 5d143, Baltimore, MD 21201. The listed phone number is (410) 605-7199.

What is Philip Mackowiak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Philip Mackowiak was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.