Roger Mar-Tang, M.D.
NPI 1851375307 · Internal Medicine Physician · Folsom, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Mar-Tang, M.D. is a Internal Medicine Physician provider in Folsom, CA (NPI 1851375307).
Provider details
- NPI number
- 1851375307
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A88695 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 768 | 249 |
| Levothyroxine Sodium | 420 | 123 |
| Amlodipine Besylate | 390 | 128 |
| Lisinopril | 384 | 122 |
| Tamsulosin Hcl | 262 | 78 |
| Losartan Potassium | 261 | 81 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-29
- Last updated
- 2021-12-13
Frequently asked questions
- What is Roger Mar-Tang's NPI number?
- Roger Mar-Tang's National Provider Identifier (NPI) is 1851375307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Mar-Tang's specialty?
- Roger Mar-Tang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Mar-Tang located?
- Roger Mar-Tang's practice location on file with NPPES is 2155 Iron Point Rd, Folsom, CA 95630-8707.
- What is Roger Mar-Tang's phone number?
- The practice phone number listed in the NPPES registry for Roger Mar-Tang is (916) 817-5200.
- Does Roger Mar-Tang accept Medicare?
- Roger Mar-Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Mar-Tang's NPI active?
- Yes — Roger Mar-Tang's NPI (1851375307) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.