Doctor profile · Federal record

Dr. Anna Ost, NP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Gerontology Nurse Practitioner · Cambridge, MA

  • NPI 1649689878
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 Concord Ave
Cambridge, MA 02138
(617) 864-8822
Mailing address
20 Rockaway Lane
Arlington, MA 02474

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Massachusetts #RN270800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649689878. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,077
Distinct HCPCS
10
Medicare allowed
$83,060
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 402 301 $118
36415 Insertion of needle into vein for collection of blood sample 203 176 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 102 93 $84
G0444 Annual depression screening, 5 to 15 minutes 88 88 $18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 69 69 $121
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 42 41 $14
99215 Established patient office or other outpatient visit, 40-54 minutes 42 39 $167
G0008 Administration of influenza virus vaccine 27 27 $34
90662 Influenza vaccine split virus, preservative free 26 26 $72
99495 Transitional care management services for problem of at least moderate complexity 25 24 $192

In context: peer comparison

Among 8 peers in this city , average services per provider: 57. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,028
Patients
347
Total drug cost
$92,973
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 141 51 $3,437
Amlodipine Besylate Generic 125 37 $1,215
Lisinopril Generic 110 43 $1,448
Losartan Potassium Generic 86 27 $1,538
Metoprolol Succinate Generic 78 28 $1,873
Pravastatin Sodium Generic 69 22 $2,655
Eliquis (Apixaban) Brand 68 21 $72,273
Levothyroxine Sodium Generic 59 17 $726
Omeprazole Generic 56 25 $1,659
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 52 19 $1,721

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Ost's medical specialty?
Dr. Anna Ost practices Adult Health Nurse Practitioner in Cambridge, MA.
Where does Dr. Anna Ost practice?
Dr. Anna Ost practices at 725 Concord Ave, Cambridge, MA 02138. Office phone: 6178648822.
What is Dr. Anna Ost's NPI?
Dr. Anna Ost's National Provider Identifier (NPI) is 1649689878, issued by NPPES.
Does Dr. Anna Ost accept Medicare assignment?
Yes. Dr. Anna Ost accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Ost 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.