Mark Ambler, MD
NPI 1851310965 · Family Medicine Physician · Austin, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ambler, MD is a Family Medicine Physician provider in Austin, TX (NPI 1851310965).
Provider details
- NPI number
- 1851310965
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K8605 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,858 Medicare services, 2024 (ranked within specialty)
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 244 | $124 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 214 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 161 | $13 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 153 | $16 |
| Hemoglobin A1c Level83036 | 152 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 145 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 752 | 254 |
| Levothyroxine Sodium | 446 | 127 |
| Amlodipine Besylate | 409 | 121 |
| Lisinopril | 310 | 101 |
| Rosuvastatin Calcium | 290 | 98 |
| Omeprazole | 274 | 82 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2010-07-28
Frequently asked questions
- What is Mark Ambler's NPI number?
- Mark Ambler's National Provider Identifier (NPI) is 1851310965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ambler's specialty?
- Mark Ambler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ambler located?
- Mark Ambler's practice location on file with NPPES is 1807 W Slaughter Ln # 490, Austin, TX 78748-6237.
- What is Mark Ambler's phone number?
- The practice phone number listed in the NPPES registry for Mark Ambler is (512) 282-8967.
- Does Mark Ambler accept Medicare?
- Mark Ambler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ambler's NPI active?
- Yes — Mark Ambler's NPI (1851310965) is active in the NPPES registry as of the last update on 2010-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.