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DR. DENNIS WHITTIER HARTMAN O.D.
NPI 1922078294
Optometrist in Merced, CA

Active since January 26, 2006PECOS EnrolledAccepts Medicare Assignment
580 COLLINS DR, MERCED, CA 95348(209) 383-0989(209) 383-6836 Get Directions Write a Review

NPPES record last updated: January 11, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Dennis Whittier Hartman O.d. NPPES

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

DR. DENNIS WHITTIER HARTMAN O.D. (NPI 1922078294) is an individual optometrist in Merced, California, licensed in California (9253T) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Pacific University - College Of Optometry (1989).

NPPES Registry Identity

NPI1922078294
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. DENNIS WHITTIER HARTMANCredential: O.D.
Location Address580 COLLINS DRMerced, CA 95348-3121
Mailing Address580 Collins DrMerced, CA 95348-3121 · (209) 383-0989 · Fax (209) 383-6836
Phone(209) 383-0989
Fax(209) 383-6836
Sole ProprietorNo
Medical School CMSPacific University - College Of OptometryGraduated 1989
Enumeration DateJanuary 26, 2006
Last NPPES UpdateJanuary 11, 2023
NPPES CertifiedJanuary 11, 2023
✔ NPI 1922078294 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 CA · 9253T
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.
580 COLLINS DR, Merced, CA 95348
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Other Identifiers 1

Other9253TCA · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Dennis Whittier Hartman O.d. 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 ID2264506443
PECOS Enrollment IDI20090513000244
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.

Areas of Expertise CMS Part B claims 11

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 complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
890 services681 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
590 services545 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
572 services363 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
299 services172 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
240 services240 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
104 services102 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95348 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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.

Referred Medical Equipment & Supplies CMS DME claims

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

Frames, purchases V2020
Other-Vision, Hearing, and Speech Services · category OC000N
1 supplier15 claims15 services$69.45 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 3

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

KENNETH R GROSSMAN MD INC
Ophthalmology
580 COLLINS DR
MERCED, CA 95348
Merced County (209) 383-0989
KENNETH RANDELL GROSSMAN M.D.
Ophthalmology
580 COLLINS DR
MERCED, CA 95348
Merced County (209) 383-0989
OMRAN NATTOUF PA
Physician Assistant
580 COLLINS DR
MERCED, CA 95348
Merced County (209) 383-0989

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 Dennis Hartman's NPI number?

The NPI number for Dennis Hartman is 1922078294. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is Dennis Hartman located?

Dennis Hartman practices at 580 Collins Dr, Merced, CA 95348. The listed phone number is (209) 383-0989.

What is Dennis Hartman's specialty?

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

Is Dennis Hartman enrolled in Medicare?

Yes. Dennis Hartman 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.

What insurance does Dennis Hartman accept?

Health plans from Providence Health Plan list Dennis Hartman 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 Dennis Hartman was last updated on January 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.