What is Constantine Chima's NPI number?

Constantine Chima's National Provider Identifier (NPI) is 1245891316, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Constantine Chima's specialty?

Constantine Chima is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Constantine Chima located?

Constantine Chima's practice location on file with NPPES is 1551 S Second St, Gallup, NM 87301-5881.

What is Constantine Chima's phone number?

The practice phone number listed in the NPPES registry for Constantine Chima is (505) 863-7993.

Does Constantine Chima accept Medicare?

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

Is Constantine Chima's NPI active?

Yes — Constantine Chima's NPI (1245891316) is active in the NPPES registry as of the last update on 2024-08-24.

IndividualActiveAccepts Medicare

Constantine Chima, MD

NPI 1245891316 · Internal Medicine Physician · Gallup, NM

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

Constantine Chima, MD is a Internal Medicine Physician provider in Gallup, NM (NPI 1245891316).

Provider details

NPI number: 1245891316
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense MD2023-1278 (NM)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(55/100 index)

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

Registry tenure25% of score
6 yrs in NPPES registry
Profile completeness25% of score
83% of core fields populated
Practice footprint15% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
352 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 .

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)
Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960	187	$336
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	60	$75
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	28	$114
Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961	26	$279
Hospital Discharge Day Management, 30 Minutes Or Less99238	20	$77
Hospital Discharge Day Management, More Than 30 Minutes99239	16	$109

Transparency — industry payments

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

$71 across 2 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.

Practice location

1551 S Second St

Gallup, NM 87301-5881

Phone: (505) 863-7993

Street-level locationGet directions

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Mailing address