Doctor profile · Federal record

Dr. Michelle Atienza

Family Nurse Practitioner (CMS: Nurse Practitioner) · Portland, ME

  • NPI 1710399506
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1321 Washington Ave
Portland, ME 041033636
(207) 553-0825

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maine #20681242

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710399506. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
954
Distinct HCPCS
4
Medicare allowed
$85,472
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 738 107 $88
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 130 87 $127
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 46 35 $61
G0317 Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualifi 40 39 $25

In context: peer comparison

Among 29 peers in this city , average services per provider: 59. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,131
Patients
151
Total drug cost
$36,416
Drug Type Claims Patients Total cost
Furosemide Generic 157 19 $967
Levothyroxine Sodium Generic 152 15 $1,811
Tramadol Hcl Generic 93 31 $928
Mirtazapine Generic 82 17 $2,394
Potassium Chloride Generic 74 12 $1,820
Atorvastatin Calcium Generic 73 13 $1,120
Lorazepam Generic 71 27 $973
Pregabalin Generic 69 0 $4,164
Sertraline Hcl Generic 66 17 $813
Duloxetine Hcl Generic 53 0 $2,325

Frequently asked questions

Auto-generated from federal data
What is Dr. Michelle Atienza's medical specialty?
Dr. Michelle Atienza practices Family Nurse Practitioner in Portland, ME.
Where does Dr. Michelle Atienza practice?
Dr. Michelle Atienza practices at 1321 Washington Ave, Portland, ME 041033636. Office phone: 2075530825.
What is Dr. Michelle Atienza's NPI?
Dr. Michelle Atienza's National Provider Identifier (NPI) is 1710399506, issued by NPPES.
Does Dr. Michelle Atienza accept Medicare assignment?
Yes. Dr. Michelle Atienza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michelle Atienza commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.