Kelvin Dan, M.D.
NPI 1639602733 · Internal Medicine Physician · Fort Defiance, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kelvin Dan, M.D. is a Internal Medicine Physician provider in Fort Defiance, AZ (NPI 1639602733).
Provider details
- NPI number
- 1639602733
- 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
9 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
328 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 165 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $63 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 62 | $138 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 21 | $63 |
Typical Medicare-allowed amounts for these services range $63–$138 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 129 | 37 |
| Gabapentin | 98 | 30 |
| Lisinopril | 89 | 26 |
| Alcohol Antiseptic Padsbrand: Single Use Swab | 88 | 33 |
| Amlodipine Besylate | 86 | 19 |
| Losartan Potassium | 78 | 18 |
| Furosemide | 72 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-05
- Last updated
- 2020-09-29
- Certified
- 2020-09-28
Frequently asked questions
- What is Kelvin Dan's NPI number?
- Kelvin Dan's National Provider Identifier (NPI) is 1639602733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelvin Dan's specialty?
- Kelvin Dan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kelvin Dan located?
- Kelvin Dan's practice location on file with NPPES is Corner of Route N12 and N7, Fort Defiance, AZ 86504.
- What is Kelvin Dan's phone number?
- The practice phone number listed in the NPPES registry for Kelvin Dan is (928) 729-8000.
- Does Kelvin Dan accept Medicare?
- Kelvin Dan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kelvin Dan's NPI active?
- Yes — Kelvin Dan's NPI (1639602733) is active in the NPPES registry as of the last update on 2020-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.