Physician Profile
Belton D. Hallmark, M.D.
Unclaimed ProfileAbout Dr. Hallmark
Based in Castle Rock, CO, Belton D. Hallmark, M.D. is listed in the NPI registry under family medicine. Belton graduated from University of Texas Medical Branch at Galveston in 1979. Medicare claims data shows Belton provided 7,379 services to 1,302 patients. The services billed most often include injection, testosterone cypionate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and injection, triamcinolone acetonide, not otherwise specified, 10 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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) 688-3434
- Email not available
Practice Locations
1189 S PERRY ST STE 230
Castle Rock, CO 80104
Conditions Commonly Evaluated or Treated
Within Family 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
- High blood pressure
- High cholesterol
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
- Gout
- Heel pain
Neurologic and behavioral
- ADHD
- Anxiety
- Depression
- Insomnia
- Migraines
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
- Acne
- Eczema
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
- Blood Pressure Check
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
7,379 services · 1,302 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
32 | More often than most peers in Family Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
205 | More than most peers in Family Medicine |
| Influenza vaccine, inactivated | Treatment | 90653 |
69 | More often than most peers in Family Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
39 | More often than most peers in Family Medicine |
| Inhalation treatment for airway obstruction or sputum production | Treatment | 94640 |
15 | Less often than most peers in Family Medicine |
| Administration of vaccine | Treatment | 90471 |
12 | Less often than most peers in Family Medicine |
| Injection, testosterone cypionate, 1 mg | Drug given | J1071 |
4,901 | Less often than most peers in Family Medicine |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
407 | More than most peers in Family Medicine |
| Injection, ketorolac tromethamine, per 15 mg | Drug given | J1885 |
136 | More often than most peers in Family Medicine |
| Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Drug given | J3420 |
69 | As often as other peers in Family 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.
Related specialists at this location 4
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.
Other family doctors in Castle Rock 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CO who bill this service to Medicare most often.
Common questions
What does Belton D. Hallmark specialize in?
Belton D. Hallmark is a family doctor in Castle Rock, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Belton D. Hallmark located?
Belton D. Hallmark is listed at 1189 S Perry St Ste 230, Castle Rock, CO 80104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Belton D. Hallmark's phone number?
The number on file is (303) 688-3434. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Belton D. Hallmark?
Belton D. Hallmark's National Provider Identifier is 1225018633. 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 Belton D. Hallmark train?
Belton D. Hallmark attended University of Texas Medical Branch at Galveston, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Belton D. Hallmark have?
Belton D. Hallmark has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Belton D. Hallmark do most often?
According to Medicare billing data, Belton D. Hallmark performs procedures including aspiration and/or injection of fluid from large joint; provides treatments such as injection of drug or substance under skin or into muscle and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Belton D. Hallmark's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Belton D. Hallmark. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.