What is Annie Chang's NPI number?

Annie Chang's National Provider Identifier (NPI) is 1699738336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Annie Chang's specialty?

Annie Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Annie Chang located?

Annie Chang's practice location on file with NPPES is 7950 Kipling St, Arvada, CO 80005-3923.

What is Annie Chang's phone number?

The practice phone number listed in the NPPES registry for Annie Chang is (303) 422-2305.

Does Annie Chang accept Medicare?

Annie Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Annie Chang's NPI active?

Yes — Annie Chang's NPI (1699738336) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActiveAccepts Medicare

Annie Chang, M.D.

NPI 1699738336 · Ophthalmology Physician · Arvada, CO

Annie Chang, M.D. is a Ophthalmology Physician provider in Arvada, CO (NPI 1699738336).

Provider details

NPI number: 1699738336
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Female
Sole proprietor: Yes
License: 38919 (CO)

Practice location

7950 Kipling St

Suite 203

Arvada, CO 80005-3923

Phone: (303) 422-2305

Fax: (303) 422-2306

Street-level locationGet directions

More CO providers

Mailing address

7950 Kipling St

Arvada, CO 80005-3923

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense 38919 (CO)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(75/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
20 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
1,319 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Photography of the Retina92250	363	$37
Established Patient Complete Exam of Visual System92014	267	$128
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	235	$129
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	92	$92
Exam of Visual Field With Extended Testing92083	89	$65
Imaging of Optic Nerve92133	52	$37

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Latanoprost	305	103
Timolol Maleate	140	51
Moxifloxacin Hclbrand: Moxifloxacin	90	66
Bimatoprostbrand: Lumigan	56	18
Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth	41	39
Bromfenac Sodiumbrand: Prolensa	35	24
Loteprednol Etabonatebrand: Lotemax Sm	32

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$255 across 8 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-04-11
Last updated: 2007-07-08

Frequently asked questions

What is Annie Chang's NPI number?: Annie Chang's National Provider Identifier (NPI) is 1699738336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Annie Chang's specialty?: Annie Chang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
Where is Annie Chang located?: Annie Chang's practice location on file with NPPES is 7950 Kipling St, Arvada, CO 80005-3923.
What is Annie Chang's phone number?: The practice phone number listed in the NPPES registry for Annie Chang is (303) 422-2305.
Does Annie Chang accept Medicare?: Annie Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Annie Chang's NPI active?: Yes — Annie Chang's NPI (1699738336) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Photography of the Retina92250	363	$37
Established Patient Complete Exam of Visual System92014	267	$128
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	235	$129
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	92	$92
Exam of Visual Field With Extended Testing92083	89	$65
Imaging of Optic Nerve92133	52	$37

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Latanoprost	305	103
Timolol Maleate	140	51
Moxifloxacin Hclbrand: Moxifloxacin	90	66
Bimatoprostbrand: Lumigan	56	18
Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth	41	39
Bromfenac Sodiumbrand: Prolensa	35	24
Loteprednol Etabonatebrand: Lotemax Sm	32

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$255 across 8 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments