Ali Nauman Khan, M.D.
NPI 1457976292 · Internal Medicine Physician · Williamstown, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ali Nauman Khan, M.D. is a Internal Medicine Physician provider in Williamstown, MA (NPI 1457976292).
Provider details
- NPI number
- 1457976292
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
334 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 214 | $78 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 46 | $49 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 29 | $117 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 26 | $81 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $171 |
Typical Medicare-allowed amounts for these services range $49–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 240 | 93 |
| Amlodipine Besylate | 164 | 60 |
| Lisinopril | 149 | 52 |
| Losartan Potassium | 140 | 45 |
| Omeprazole | 92 | 34 |
| Levothyroxine Sodium | 90 | 33 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-06-08
- Last updated
- 2023-10-26
- Certified
- 2023-10-26
Frequently asked questions
- What is Ali Nauman Khan's NPI number?
- Ali Nauman Khan's National Provider Identifier (NPI) is 1457976292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ali Nauman Khan's specialty?
- Ali Nauman Khan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ali Nauman Khan located?
- Ali Nauman Khan's practice location on file with NPPES is 197 Adams Rd, Williamstown, MA 01267-2930.
- What is Ali Nauman Khan's phone number?
- The practice phone number listed in the NPPES registry for Ali Nauman Khan is (413) 664-5710.
- Does Ali Nauman Khan accept Medicare?
- Ali Nauman Khan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ali Nauman Khan's NPI active?
- Yes — Ali Nauman Khan's NPI (1457976292) is active in the NPPES registry as of the last update on 2023-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.