Mark Stone, M.D.
NPI 1326000852 · Family Medicine Physician · Taylor, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Stone, M.D. is a Family Medicine Physician provider in Taylor, TX (NPI 1326000852).
Provider details
- NPI number
- 1326000852
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K4808 (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
20 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
836 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 | 277 | $92 |
| 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 | 225 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 161 | $124 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $63 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 68 | $136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 390 | 119 |
| Lisinopril | 346 | 110 |
| Amlodipine Besylate | 295 | 92 |
| Levothyroxine Sodium | 253 | 79 |
| Metoprolol Succinate | 229 | 69 |
| Losartan Potassium | 208 | 68 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-03
- Last updated
- 2020-11-05
- Certified
- 2020-11-05
Frequently asked questions
- What is Mark Stone's NPI number?
- Mark Stone's National Provider Identifier (NPI) is 1326000852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Stone's specialty?
- Mark Stone is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Stone located?
- Mark Stone's practice location on file with NPPES is 403 Mallard Ln, Taylor, TX 76574-1210.
- What is Mark Stone's phone number?
- The practice phone number listed in the NPPES registry for Mark Stone is (512) 352-5251.
- Does Mark Stone accept Medicare?
- Mark Stone is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Stone's NPI active?
- Yes — Mark Stone's NPI (1326000852) is active in the NPPES registry as of the last update on 2020-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.