Karen Mark, M.D. MPH
NPI 1750491122 · Infectious Disease Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Mark, M.D. MPH is a Infectious Disease Physician provider in Sacramento, CA (NPI 1750491122).
Provider details
- NPI number
- 1750491122
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. MPH
- Sex
- Female
- Sole proprietor
- No
- License
- A71951 (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
19 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 52 | — |
| Lisinopril | 47 | — |
| Atorvastatin Calcium | 36 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | — |
| Varicella-Zoster Ge/As01b/Pfbrand: Shingrix | 27 | 27 |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 26 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2011-11-23
Frequently asked questions
- What is Karen Mark's NPI number?
- Karen Mark's National Provider Identifier (NPI) is 1750491122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mark's specialty?
- Karen Mark is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Mark located?
- Karen Mark's practice location on file with NPPES is 1500 21st St, Sacramento, CA 95811-5216.
- What is Karen Mark's phone number?
- The practice phone number listed in the NPPES registry for Karen Mark is (916) 443-3299.
- Does Karen Mark accept Medicare?
- Karen Mark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Mark's NPI active?
- Yes — Karen Mark's NPI (1750491122) is active in the NPPES registry as of the last update on 2011-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.