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

DR. HOWARD LOUIS HARTZ O.D.
NPI 1548200314
Optometrist in Timonium, MD

Q: What is Howard Hartz's NPI number?

The NPI number for Howard Hartz is 1548200314. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Q: What is Howard Hartz's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Howard Hartz 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 33 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 June 08, 2006PECOS Enrolled

1952 YORK RD, TIMONIUM, MD 21093(410) 308-3162(410) 308-3190 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Howard Louis Hartz O.d. NPPES

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

DR. HOWARD LOUIS HARTZ O.D. (NPI 1548200314) is an individual optometrist in Timonium, Maryland, licensed in Maryland (TAO989) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548200314

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. HOWARD LOUIS HARTZCredential: O.D.

Location Address1952 YORK RDTimonium, MD 21093-4226

Mailing Address25 Bellchase CtBaltimore, MD 21208-1300 · (410) 484-7019 · Fax (410) 484-9527

Phone(410) 308-3162

Fax(410) 308-3190

Sole ProprietorNo

Enumeration DateJune 8, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1548200314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in MD · TAO989

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

1952 YORK RD, Timonium, MD 21093

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Howard Louis Hartz O.d. 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 21093 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

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

Most-billed visit code 99213

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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FOR EYES OPTICAL OF PA

Eyewear Supplier

1952 YORK RD
TIMONIUM, MD 21093

Baltimore County (410) 308-3139

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 Howard Hartz's NPI number?

The NPI number for Howard Hartz is 1548200314. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Howard Hartz located?

Howard Hartz practices at 1952 York Rd, Timonium, MD 21093. The listed phone number is (410) 308-3162.

What is Howard Hartz's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Howard Hartz enrolled in Medicare?

Yes. Howard Hartz is registered in the Medicare PECOS enrollment system.

What insurance does Howard Hartz accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Howard Hartz 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.

When was this NPI record last updated?

The NPPES record for Howard Hartz 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 33 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.