Catherine Whitaker, MS, AGCNP-BC
NPI 1093359895 · Nurse Practitioner · Ashburnham, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Whitaker, MS, AGCNP-BC is a Nurse Practitioner provider in Ashburnham, MA (NPI 1093359895).
Provider details
- NPI number
- 1093359895
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS, AGCNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN2266727 (MA)
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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
447 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 231 | $88 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 95 | $47 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 49 | $8 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 29 | $44 |
| Hemoglobin A1c Level83036 | 19 | $10 |
| Urinalysis, Manual Test81002 | 12 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 273 | 95 |
| Lisinopril | 228 | 82 |
| Levothyroxine Sodium | 205 | 71 |
| Omeprazole | 174 | 62 |
| Amlodipine Besylate | 150 | 59 |
| Rosuvastatin Calcium | 123 | 41 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$407 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 266 Main StGardner, MA 01440Phone: (978) 630-5030Fax: (978) 630-5033
- 122 Fitzgerald RdRindge, NH 03461-5238Phone: (978) 855-3840
Registry dates
- Enumerated
- 2019-11-05
- Last updated
- 2019-11-14
Frequently asked questions
- What is Catherine Whitaker's NPI number?
- Catherine Whitaker's National Provider Identifier (NPI) is 1093359895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Whitaker's specialty?
- Catherine Whitaker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Whitaker located?
- Catherine Whitaker's practice location on file with NPPES is 61 Main St, Ashburnham, MA 01430.
- What is Catherine Whitaker's phone number?
- The practice phone number listed in the NPPES registry for Catherine Whitaker is (978) 827-5167.
- Does Catherine Whitaker accept Medicare?
- Catherine Whitaker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Whitaker's NPI active?
- Yes — Catherine Whitaker's NPI (1093359895) is active in the NPPES registry as of the last update on 2019-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.