Physician Profile
Unclaimed ProfileAbout WITTEN
No biography has been added yet. Is this you? Claim this profile to add one.
Education & Training
Areas of Expertise
Common questions
What does Dr. Witten specialise in?
Dr. Witten is an internal medicine in Denver, CO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Witten located?
Dr. Witten is listed at 4500 E 9TH AVE STE 140, Denver, CO 80220. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Witten's phone number?
The number on file is (303) 394-2152. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Witten's NPI number?
Dr. Witten's National Provider Identifier is 1245233782. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Witten go to medical school?
Dr. Witten attended Other, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Witten been practising?
Dr. Witten has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Witten do most often?
According to Medicare billing data, Dr. Witten performs procedures including insertion of needle into vein for collection of blood sample and destruction of precancer skin growth, 1 growth; provides treatments such as injection of drug or substance under skin or into muscle and admn sarscov2 vacc 1 dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Witten confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Witten. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (303) 394-2152
- Email not available
Practice Locations
4500 E 9TH AVE STE 140
Denver, CO 80220
Procedures Most Often Billed to Medicare
3,158 services · 1,129 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
24 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
14 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
89 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
73 |
| Influenza vaccine, inactivated | Treatment | 90653 |
53 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
47 |
| Collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days | Treatment | 99091 |
28 |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
26 |
| Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | Treatment | 90694 |
14 |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
76 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internal medicines in Denver 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CO who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.