Doctor profile · Federal record

Dr. Diana Martins-Welch, M.D.

Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospice/Palliative Care) · Manhasset, NY

  • NPI 1275832446
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Community Dr
Manhasset, NY 110303816
(516) 562-3015

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
November 2, 2015
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0002X — NUCC code
State license (1)
New York #267099

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275832446. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
6
Medicare allowed
$66,067
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 141 81 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 127 75 $106
99205 New patient office or other outpatient visit, 60-74 minutes 71 71 $252
99215 Established patient office or other outpatient visit, 40-54 minutes 47 36 $200
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $196
99212 Established patient office or other outpatient visit, 10-19 minutes 13 12 $67

In context: peer comparison

Among 3 peers in this city , average services per provider: 89. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
722
Patients
257
Total drug cost
$48,771
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 189 67 $5,417
Methadone Hcl Generic 101 36 $2,082
Hydromorphone Hcl Generic 97 29 $4,393
Gabapentin Generic 67 28 $1,892
Sertraline Hcl Generic 41 12 $233
Morphine Sulfate Er (Morphine Sulfate) Brand 39 22 $1,255
Fentanyl Generic 36 18 $4,726
Morphine Sulfate Generic 29 19 $928
Lorazepam Generic 23 0 $280
Lidocaine Generic 21 0 $2,667

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Martins-Welch's medical specialty?
Dr. Diana Martins-Welch practices Hospice and Palliative Medicine (Internal Medicine) Physician in Manhasset, NY.
Where does Dr. Diana Martins-Welch practice?
Dr. Diana Martins-Welch practices at 300 Community Dr, Manhasset, NY 110303816. Office phone: 5165623015.
What is Dr. Diana Martins-Welch's NPI?
Dr. Diana Martins-Welch's National Provider Identifier (NPI) is 1275832446, issued by NPPES.
Does Dr. Diana Martins-Welch accept Medicare assignment?
Yes. Dr. Diana Martins-Welch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Martins-Welch commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.