MAX AN
NPI 1194345413
Internal Medicine in Baltimore, MD

Active since April 17, 2020PECOS Enrolled
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-8667 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 7, 2025, Mar 30, 2021, Apr 17, 2020 (3 updates tracked since 2020).

About Max An NPPES

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

MAX AN (NPI 1194345413) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0100052) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194345413
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMAX AN
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing Address22 S Greene St Rm N3e09Baltimore, MD 21201-1544 · (410) 328-6110
Sole ProprietorNo
Enumeration DateApril 17, 2020
Last NPPES UpdateFebruary 7, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2025
NPI 1194345413 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MD · D0100052
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.
22 S GREENE ST, Baltimore, MD 21201

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Max An 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.

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.

Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201

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 Max An's NPI number?

The NPI number for Max An is 1194345413. It was assigned to this individual provider in the NPPES registry on April 17, 2020.

Where is Max An located?

Max An practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-8667.

What is Max An's specialty?

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

Is Max An enrolled in Medicare?

Yes. Max An is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Max An was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.