What is John Chapman's NPI number?

John Chapman's National Provider Identifier (NPI) is 1235503210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Chapman's specialty?

John Chapman is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is John Chapman located?

John Chapman's practice location on file with NPPES is 950 W Aztec Ave, Gallup, NM 87301-6666.

What is John Chapman's phone number?

The practice phone number listed in the NPPES registry for John Chapman is (866) 273-2451.

Is John Chapman's NPI active?

Yes — John Chapman's NPI (1235503210) is active in the NPPES registry as of the last update on 2023-09-27.

IndividualActive

John Chapman

NPI 1235503210 · Behavior Technician · Gallup, NM

John Chapman is a Behavior Technician provider in Gallup, NM (NPI 1235503210).

Provider details

NPI number: 1235503210
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers
Case Manager/Care Coordinator171M00000X
Other Service Providers

Profile Score

Detailed profile(76/100 index)

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

Registry tenure38% of score
10 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
12 documented practice locations

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.

Practice location

950 W Aztec Ave

Gallup, NM 87301-6666

Phone: (866) 273-2451

Street-level locationGet directions

More NM providers

Mailing address

1211 8th St Ste C

Alamogordo, NM 88310-5808

Additional practice locations (11)

2705 S Alma School Rd Ste 2
Chandler, AZ 85286-4400
Phone: (866) 273-2451
1211 8th St Ste C
Alamogordo, NM 88310-5808
Phone: (866) 273-2451
6565 Americas Pkwy Ne Ste 200
Albuquerque, NM 87110-8172
Phone: (866) 273-2451
201 N 4th St
Artesia, NM 88210-2168
Phone: (866) 273-2451
301 N Canyon St
Carlsbad, NM 88220-5809
Phone: (866) 273-2451
1224 W 21st St
Clovis, NM 88101-4199
Phone: (866) 273-2451
2301 E 20th St
Farmington, NM 87401-8905
Phone: (866) 273-2451
201 E Las Cruces Ave Ste. 1501
Las Cruces, NM 88001
Phone: (866) 273-2451
1012 Marquez Pl Unit 106b
Santa Fe, NM 87505-1833
Phone: (866) 273-2451

Enumerated: 2015-11-13
Last updated: 2023-09-27
Certified: 2023-09-25

Frequently asked questions

What is John Chapman's NPI number?: John Chapman's National Provider Identifier (NPI) is 1235503210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Chapman's specialty?: John Chapman is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
Where is John Chapman located?: John Chapman's practice location on file with NPPES is 950 W Aztec Ave, Gallup, NM 87301-6666.
What is John Chapman's phone number?: The practice phone number listed in the NPPES registry for John Chapman is (866) 273-2451.
Is John Chapman's NPI active?: Yes — John Chapman's NPI (1235503210) is active in the NPPES registry as of the last update on 2023-09-27.

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