Doctor profile · Federal record

Dr. Karmen Blackstone, A.N.P.

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Brunswick, ME

  • NPI 1962471888
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14 Thomas Point RD
Brunswick, ME 040113911
(207) 442-0325
fax (207) 443-4578
Mailing address
14 Thomas Point RD Ste 102
Brunswick, ME 040113911

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
May 10, 2023
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Maine #R043926
Medicaid
ME #2676600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962471888. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
403
Distinct HCPCS
10
Medicare allowed
$23,292
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 136 23 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 64 45 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 46 39 $106
73030 X-ray of shoulder, minimum of 2 views 35 32 $19
20610 Aspiration and/or injection of fluid from large joint 32 22 $55
23472 Prosthetic repair of shoulder joint, total shoulder 20 19 $188
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $131
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $88
73564 X-ray of knee, 4 or more views 13 13 $19
29827 Repair of shoulder rotator cuff using an endoscope 11 11 $139

In context: peer comparison

Among 3 peers in this city , average services per provider: 41. This provider delivers 9.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pacira Pharmaceuticals Incorporated 1 $30.63
Kairos Surgical Inc 1 $18.80

By nature of payment

Food and Beverage
$49

Frequently asked questions

Auto-generated from federal data
What is Dr. Karmen Blackstone's medical specialty?
Dr. Karmen Blackstone practices Adult Health Nurse Practitioner in Brunswick, ME.
Where does Dr. Karmen Blackstone practice?
Dr. Karmen Blackstone practices at 14 Thomas Point RD, Brunswick, ME 040113911. Office phone: 2074420325.
What is Dr. Karmen Blackstone's NPI?
Dr. Karmen Blackstone's National Provider Identifier (NPI) is 1962471888, issued by NPPES.
Does Dr. Karmen Blackstone accept Medicare assignment?
Yes. Dr. Karmen Blackstone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karmen Blackstone commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.