Doctor profile · Federal record

Dr. Ashima Mannan, NP

Nurse Practitioner · Gerontology Nurse Practitioner · Waltham, MA

  • NPI 1134538879
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
128 Willow St
Waltham, MA 024538329
(617) 840-1845

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #259466

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134538879. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
211
Distinct HCPCS
4
Medicare allowed
$23,538
HCPCS Description Services Patients Avg allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 110 51 $103
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 51 31 $166
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 31 26 $67
99443 Telephone medical discussion with physician, 21-30 minutes 19 13 $88

In context: peer comparison

Among 5 peers in this city , average services per provider: 94. This provider delivers 2.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,051
Patients
128
Total drug cost
$63,959
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 127 21 $1,975
Metoprolol Succinate Generic 103 17 $1,578
Levothyroxine Sodium Generic 94 15 $1,182
Amlodipine Besylate Generic 91 19 $1,057
Lisinopril Generic 83 13 $1,209
Omeprazole Generic 72 14 $1,511
Eliquis (Apixaban) Brand 70 18 $47,340
Mirtazapine Generic 66 0 $1,707
Memantine Hcl Generic 58 0 $2,194
Pantoprazole Sodium Generic 57 0 $609

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashima Mannan's medical specialty?
Dr. Ashima Mannan practices Nurse Practitioner in Waltham, MA.
Where does Dr. Ashima Mannan practice?
Dr. Ashima Mannan practices at 128 Willow St, Waltham, MA 024538329. Office phone: 6178401845.
What is Dr. Ashima Mannan's NPI?
Dr. Ashima Mannan's National Provider Identifier (NPI) is 1134538879, issued by NPPES.
Does Dr. Ashima Mannan accept Medicare assignment?
Yes. Dr. Ashima Mannan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashima Mannan commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Residence visit for established patient with high level of medical decision making (HCPCS 99350); Residence visit for established patient with low level of medical decision making (HCPCS 99348). Source: CMS Medicare Physician & Other Practitioners file.