Maesa Toni Mae Koeber, DNP, FNP-BC
NPI 1831598556 · Family Nurse Practitioner · Palo Alto, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maesa Toni Mae Koeber, DNP, FNP-BC is a Family Nurse Practitioner provider in Palo Alto, CA (NPI 1831598556).
Provider details
- NPI number
- 1831598556
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- F338897 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
1,522 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) |
|---|---|---|
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99489 | 544 | $67 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 296 | $44 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 232 | $58 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 174 | $125 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 76 | $202 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-19
- Last updated
- 2026-02-18
- Certified
- 2026-02-18
Frequently asked questions
- What is Maesa Toni Mae Koeber's NPI number?
- Maesa Toni Mae Koeber's National Provider Identifier (NPI) is 1831598556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maesa Toni Mae Koeber's specialty?
- Maesa Toni Mae Koeber is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maesa Toni Mae Koeber located?
- Maesa Toni Mae Koeber's practice location on file with NPPES is 195 Page Mill Rd Ste 103, Palo Alto, CA 94306-2073.
- What is Maesa Toni Mae Koeber's phone number?
- The practice phone number listed in the NPPES registry for Maesa Toni Mae Koeber is (888) 731-8994.
- Does Maesa Toni Mae Koeber accept Medicare?
- Maesa Toni Mae Koeber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maesa Toni Mae Koeber's NPI active?
- Yes — Maesa Toni Mae Koeber's NPI (1831598556) is active in the NPPES registry as of the last update on 2026-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.