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Edit this profileWhere to find Mark J. Foster, PA
- Cortez location main office
1942 E Main St, Cortez, CO 81321 - Fort Defiance location
Corner of Route N12 and N7, Fort Defiance, AZ 86504 - Durango location
2577 Main Ave, Durango, CO 81301 - Durango location
1010 Three Springs Blvd, Durango, CO 81301
About Mark Foster
Mark J. Foster, PA is a physician assistant based in Cortez, CO. Medicare claims data shows Mark provided 390 services to 374 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1639168479.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (970) 516-5500
- Email not available
Practice Locations
1942 E MAIN ST
Cortez, CO 81321
Corner of Route N12 and N7
Fort Defiance, AZ 86504
2577 Main Ave
Durango, CO 81301
1010 Three Springs Blvd
Durango, CO 81301
Procedures Most Often Billed to Medicare
390 services · 374 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
21 | As often as other peers in Physician Assistant |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
21 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
67 | As often as other peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
67 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
49 | More often than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
37 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
37 | Less often than most peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
34 | As often as other peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
29 | As often as other peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
17 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Cortez 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2000 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in CO who bill this service to Medicare most often.
Common questions
What is Mark J. Foster's specialty?
Mark J. Foster is a physician assistant in Cortez, CO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mark J. Foster?
Mark J. Foster is listed at 1942 E Main St, Cortez, CO 81321. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark J. Foster?
The number on file is (970) 516-5500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark J. Foster?
Mark J. Foster's National Provider Identifier is 1639168479. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mark J. Foster's education?
Mark J. Foster attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark J. Foster have?
Mark J. Foster has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Mark J. Foster known for?
According to Medicare billing data, Mark J. Foster performs imaging including x-ray of chest, 2 views; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark J. Foster's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark J. Foster. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.