Karla Christo, M.D.
NPI 1689864167 · Family Medicine Physician · Fitchburg, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karla Christo, M.D. is a Family Medicine Physician provider in Fitchburg, MA (NPI 1689864167).
Provider details
- NPI number
- 1689864167
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 232436 (MA)
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
18 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
883 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 | 239 | $88 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 221 | $93 |
| 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 | 146 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 83 | $35 |
| Advance Care Planning, First 30 Minutes99497 | 70 | $58 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 465 | 125 |
| Lisinopril | 380 | 105 |
| Amlodipine Besylate | 302 | 82 |
| Losartan Potassium | 219 | 58 |
| Omeprazole | 210 | 64 |
| Levothyroxine Sodium | 186 | 51 |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-31
- Last updated
- 2020-12-11
- Certified
- 2020-12-11
Frequently asked questions
- What is Karla Christo's NPI number?
- Karla Christo's National Provider Identifier (NPI) is 1689864167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karla Christo's specialty?
- Karla Christo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karla Christo located?
- Karla Christo's practice location on file with NPPES is 155 Franklin Road, Fitchburg, MA 01420-5140.
- What is Karla Christo's phone number?
- The practice phone number listed in the NPPES registry for Karla Christo is (978) 345-1919.
- Does Karla Christo accept Medicare?
- Karla Christo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karla Christo's NPI active?
- Yes — Karla Christo's NPI (1689864167) is active in the NPPES registry as of the last update on 2020-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.