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Edit this profileAt a glance
- 4500 E 9Th Ave, Ste 140, Denver, CO 80220
About Dr. Witten
Based in Denver, CO, Daniel Witten, MD is listed in the NPI registry under internal medicine. According to Medicare claims data, Daniel cared for 1,129 Medicare patients across 3,158 services. The services billed most often include complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month. NPI 1245233782 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (303) 394-2152
- Email not available
Practice Locations
4500 E 9TH AVE STE 140
Denver, CO 80220
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
3,158 services · 1,129 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
24 | Less often than most peers in Internal Medicine |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
14 | Less often than most peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
89 | More often than most peers in Internal Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
73 | More often than most peers in Internal Medicine |
| Influenza vaccine, inactivated | Treatment | 90653 |
53 | More often than most peers in Internal Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
47 | More often than most peers in Internal Medicine |
| 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 | Less often than most peers in Internal Medicine |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
26 | As often as other peers in Internal Medicine |
| Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | Treatment | 90694 |
14 | As often as other peers in Internal Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
76 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 internists 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.
Common questions
What does Dr. Witten specialize in?
Dr. Witten is an internist in Denver, CO. That is the designation recorded for this NPI in the federal registry, where it is listed 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. Contact the office directly to confirm availability and scheduling.
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 practicing?
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.
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