Doctor profile · Federal record

Dr. Catherine Whitaker, MS, Agcnp-BC

Nurse Practitioner · Ashburnham, MA

  • NPI 1093359895
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
61 Main St
Ashburnham, MA 01430
(978) 827-5167
fax (978) 827-5002
Additional location
122 Fitzgerald RD
Rindge, NH 034615238
(978) 855-3840
Additional location
266 Main St
Gardner, MA 01440
(978) 630-5030
fax (978) 630-5033

Credentials & registration

NPPES · NUCC
NPI registered
November 2019 — 7 yrs on file
Profile last updated
November 14, 2019
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #RN2266727

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093359895. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
549
Distinct HCPCS
8
Medicare allowed
$29,261
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 233 135 $78
36415 Insertion of needle into vein for collection of blood sample 102 86 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 99 99 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 32 27 $72
81002 Urinalysis, manual test 24 20 $3
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 21 20 $41
G0008 Administration of influenza virus vaccine 20 20 $31
90662 Influenza vaccine split virus, preservative free 18 18 $72

In context: peer comparison

Among 1 peers in Ashburnham Nurse Practitioner, average services per provider: 68. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$407
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $99.12
Astellas Pharma US INC 1 $85.50
Abbvie INC. 1 $76.70
ViiV Healthcare Company 1 $76.11
Inspire Medical Systems, INC. 1 $69.71

By nature of payment

Food and Beverage
$407

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,390
Patients
585
Total drug cost
$30,610
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 183 75 $5,015
Lisinopril Generic 170 73 $1,433
Levothyroxine Sodium Generic 152 59 $2,817
Omeprazole Generic 140 59 $3,542
Amlodipine Besylate Generic 112 45 $708
Gabapentin Generic 96 32 $1,096
Losartan Potassium Generic 70 30 $1,767
Rosuvastatin Calcium Generic 66 30 $8,727
Metoprolol Succinate Generic 64 24 $1,625
Fluoxetine Hcl Generic 63 21 $682

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Whitaker's medical specialty?
Dr. Catherine Whitaker practices Nurse Practitioner in Ashburnham, MA.
Where does Dr. Catherine Whitaker practice?
Dr. Catherine Whitaker practices at 61 Main St, Ashburnham, MA 01430. Office phone: 9788275167.
What is Dr. Catherine Whitaker's NPI?
Dr. Catherine Whitaker's National Provider Identifier (NPI) is 1093359895, issued by NPPES.
Does Dr. Catherine Whitaker accept Medicare assignment?
Yes. Dr. Catherine Whitaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Whitaker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.