Active NPI 1326026956 Individual Practitioner Male Practitioner

Dr. Daniel R Zenk , MD

Internal Medicine • Greeley, CO

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Daniel Zenk, MD is a certified Internal Medicine practicing in Greeley, CO. With approximately 35 years of clinical experience since graduating from University Of Iowa, Rj & L Carver College Of Medicine in 1991, Dr. Zenk delivers high-quality medical care to the local community at 1900 16TH ST.

Dr. Zenk maintains professional affiliations with Select Physical Therapy Of West Denver Limited Partnership, Poudre Valley Medical Group Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1900 16th St

Greeley, CO 806315114

Telephone 9703502438

Fax 9703502473

Associated Practice Facility / Clinic

🏢 Greeley Medical Clinic Facility NPI 1336124700

Medicare Profile & Education

Medical School

University Of Iowa, Rj & L Carver College Of Medicine

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Greeley, CO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +11.6 yrs vs City Avg

City Avg: 23.4 Yrs

State Avg: 23.3 Yrs

Regional Practice Density

38 Specialists

Practicing in Greeley, CO (2124 Statewide)

Telehealth Adoption Rate

28.9% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

57.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Zenk (35 Years) 35 Yrs

Greeley Specialty Average (23.4 Years) 23.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	921	557	$249.14	$75.73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	385	385	$272.00	$47.85
99213 Established patient office or other outpatient visit, typically 15 minutes	258	196	$172.49	$76.05
G0008 Administration of influenza virus vaccine	111	109	$57.30	$32.58
90662 Influenza vaccine split virus, preservative free	104	102	$104.57	$81.25
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	99	89	$25.00	$14.75
83036 Hemoglobin A1C level	98	89	$23.00	$9.52
93793 Anticoagulant management of patient taking warfarin	81	23	$27.00	$11.39
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	74	46	$343.23	$103.93
90480 Admn sarscov2 vacc 1 dose	69	67	$98.00	$43.45
91320 Sarscv2 vac 30mcg trs-suc im	69	67	$150.00	$144.58
99496 Transitional care management services for problem of high complexity	22	22	$514.82	$121.02
G0009 Administration of pneumococcal vaccine	14	14	$40.00	$32.58
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	13	13	$526.00	$290.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$338.00	$169.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	932	593	$244.00	$75.57
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	352	352	$253.61	$45.69
99213 Established patient office or other outpatient visit, typically 15 minutes	291	222	$167.00	$70.59
G0008 Administration of influenza virus vaccine	150	149	$53.58	$31.04
90662 Influenza vaccine split virus, preservative free	144	143	$96.81	$71.69
83036 Hemoglobin A1C level	128	114	$23.00	$9.45
93793 Anticoagulant management of patient taking warfarin	64	24	$27.00	$11.58
90480 Admn sarscov2 vacc 1 dose	62	62	$98.00	$41.39
91320 Sarscv2 vac 30mcg trs-suc im	62	62	$150.00	$128.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	60	33	$329.00	$105.12
G0009 Administration of pneumococcal vaccine	19	19	$40.00	$31.04
99495 Transitional care management services for problem of at least moderate complexity	16	16	$359.00	$90.39
90471 Administration of 1 vaccine	15	15	$51.75	$20.73
99496 Transitional care management services for problem of high complexity	15	15	$487.00	$121.80
0124A Fee covid-19 vac 13 res	13	13	$98.00	$41.39
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	13	13	$517.38	$281.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	962	624	$244.00	$78.10
99213 Established patient office or other outpatient visit, typically 15 minutes	336	262	$167.00	$71.09
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	326	326	$233.00	$43.09
G0008 Administration of influenza virus vaccine	202	198	$51.21	$30.25
90662 Influenza vaccine split virus, preservative free	196	192	$87.35	$68.44
0124A Fee covid-19 vac 13 res	83	83	$98.00	$40.02
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	82	46	$329.00	$105.27
93793 Anticoagulant management of patient taking warfarin	80	25	$27.00	$11.40
G0009 Administration of pneumococcal vaccine	22	22	$40.00	$30.47
99496 Transitional care management services for problem of high complexity	21	20	$487.00	$124.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$338.00	$162.19
90471 Administration of 1 vaccine	20	17	$49.15	$17.15
83036 Hemoglobin A1C level	17	17	$23.00	$9.63
99495 Transitional care management services for problem of at least moderate complexity	15	15	$359.00	$93.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	974	608	$232.59	$132.03
99213 Established patient office or other outpatient visit, typically 15 minutes	400	296	$159.61	$93.07
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	338	338	$233.00	$135.17
G0008 Administration of influenza virus vaccine	178	178	$50.00	$17.43
90662 Influenza vaccine split virus, preservative free	174	174	$82.50	$64.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	71	30	$317.17	$178.48
83036 Hemoglobin A1C level	46	43	$23.00	$9.71
G0009 Administration of pneumococcal vaccine	27	27	$40.00	$17.61
99495 Transitional care management services for problem of at least moderate complexity	20	19	$340.85	$211.61
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	16	16	$221.00	$125.92
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$331.00	$171.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$338.00	$171.50
90670 Pneumococcal vaccine for injection into muscle	11	11	$417.00	$241.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	922	620	$219.31	$110.92
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	346	346	$233.00	$117.89
99213 Established patient office or other outpatient visit, typically 15 minutes	325	242	$149.46	$76.53
G0008 Administration of influenza virus vaccine	223	220	$47.50	$17.12
90662 Influenza vaccine split virus, preservative free	217	214	$77.13	$60.36
83036 Hemoglobin A1C level	75	71	$23.00	$9.55
93793 Anticoagulant management of patient taking warfarin	46	36	$27.00	$11.99
G0009 Administration of pneumococcal vaccine	39	39	$40.00	$17.09
85610 Blood test, clotting time	29	24	$9.00	$4.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	13	$298.62	$150.02
99443 Telephone medical discussion with physician, 21-30 minutes	26	24	$358.88	$111.32
90670 Pneumococcal vaccine for injection into muscle	22	22	$417.00	$229.24
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	20	20	$331.00	$169.08
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	20	20	$221.00	$111.93
99496 Transitional care management services for problem of high complexity	19	17	$462.00	$250.49
99442 Telephone medical discussion with physician, 11-20 minutes	18	16	$207.00	$76.68
99495 Transitional care management services for problem of at least moderate complexity	15	15	$326.00	$188.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$334.31	$168.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	848	571	$214.66	$108.95
99213 Established patient office or other outpatient visit, typically 15 minutes	542	383	$145.97	$74.67
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	337	337	$230.74	$116.37
93793 Anticoagulant management of patient taking warfarin	302	149	$24.74	$12.22
85610 Blood test, clotting time	293	142	$9.00	$4.27
G0008 Administration of influenza virus vaccine	219	217	$47.48	$16.72
90662 Influenza vaccine split virus, preservative free	199	198	$71.18	$54.85
83036 Hemoglobin A1C level	66	62	$23.00	$10.57
G0009 Administration of pneumococcal vaccine	58	58	$40.00	$16.51
90670 Pneumococcal vaccine for injection into muscle	36	36	$410.89	$202.93
36415 Insertion of needle into vein for collection of blood sample	25	25	$6.00	$2.82
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	23	23	$217.04	$105.96
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	22	22	$329.91	$167.21
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	21	20	$24.89	$16.87
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$326.00	$166.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,098	708	$212.52	$108.59
85610 Blood test, clotting time	656	239	$9.57	$4.74
99213 Established patient office or other outpatient visit, typically 15 minutes	499	376	$144.43	$73.83
93793 Anticoagulant management of patient taking warfarin	313	173	$24.00	$12.16
G0008 Administration of influenza virus vaccine	238	233	$46.41	$20.73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	230	230	$229.31	$116.01
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	212	212	$339.56	$172.89
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	143	141	$24.16	$18.52
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	131	91	$48.86	$21.98
G0009 Administration of pneumococcal vaccine	101	101	$40.00	$20.73
90662 Influenza vaccine split virus, preservative free	99	98	$66.28	$51.60
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	67	67	$199.12	$105.59
90670 Pneumococcal vaccine for injection into muscle	33	33	$386.09	$198.79
83036 Hemoglobin A1C level	27	27	$23.00	$11.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$326.00	$167.41
99496 Transitional care management services for problem of high complexity	15	13	$459.67	$221.11
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	14	14	$328.50	$157.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,250	736	$211.44	$108.10
85610 Blood test, clotting time	716	254	$10.00	$5.26
99213 Established patient office or other outpatient visit, typically 15 minutes	618	468	$143.55	$73.40
G0008 Administration of influenza virus vaccine	279	277	$37.62	$25.63
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	275	273	$20.01	$18.65
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	267	153	$41.96	$20.38
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	249	249	$340.00	$171.38
G0009 Administration of pneumococcal vaccine	199	199	$40.00	$25.63
90670 Pneumococcal vaccine for injection into muscle	106	106	$334.79	$185.58
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	92	92	$182.74	$96.78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	60	60	$230.00	$113.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$325.50	$165.62
99496 Transitional care management services for problem of high complexity	17	16	$455.24	$232.43

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CO 33395

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

01333954 (CO)

Commercial Insurance / Payer ID Medicare Railroad Carrier Ptan

P00944813 (CO)

Hospital & Practice Group Affiliations

Poudre Valley Medical Group Llc

11083 Colorado Blvd, Firestone, CO 805045873

Phone: 3038338880

Poudre Valley Medical Group Llc

1700 N Marion St, Denver, CO 802181121

Phone: 3038607770

Poudre Valley Medical Group Llc

1925 Mountain View Ave, Longmont, CO 805013128

Phone: 3037761234

Poudre Valley Medical Group Llc

4674 Snow Mesa Dr, Fort Collins, CO 805288614

Phone: 9704958450

Poudre Valley Medical Group Llc

6767 29th St, Greeley, CO 806345474

Phone: 9702243636

Poudre Valley Medical Group Llc

4404 Barranca Ln, Castle Rock, CO 801047419

Phone: 7207335260

Select Physical Therapy Of West Denver Limited Partnership

4617 W 20th St, Greeley, CO 806343207

Phone: 9703529022

Poudre Valley Medical Group Llc

2819 35th Ave, Greeley, CO 806349421

Phone: 9706522801

Poudre Valley Medical Group Llc

2121 E Harmony Rd, Fort Collins, CO 805283401

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

13 Associated Practitioners

Kathryn Milizio , PA-C

Physician Assistant

NPI 1023560034

Physician Assistant (Certified)

Dr. Michael Randle , MD

Internal Medicine

NPI 1124006853

Doctor of Medicine (M.D.)

Dr. Steven Loecke , MD

Internal Medicine

NPI 1265410005

Doctor of Medicine (M.D.)

Dr. Robert Cash , MD

Internal Medicine

NPI 1285611152

Doctor of Medicine (M.D.)

Dr. Donald Rademacher , MD

Internal Medicine

NPI 1306824032

Doctor of Medicine (M.D.)

Dr. Marcus Reinhardt , MD

Internal Medicine

NPI 1356349823

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 01, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 01, 2013

Registered at 1900 16TH ST, GREELEY, CO 806315114 (Tel: 9703502438)

📍

Updated Business Mailing Address July 01, 2013

Registered at 1900 16TH ST, GREELEY, CO 806315114 (Tel: 9703502438)

👤

Provider Name / Credentials Updated July 01, 2013

Recorded as DANIEL ZENK, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 01, 2013

Internal Medicine (License #33395 in CO)

🟢

Initial NPI Registration & Enumeration January 04, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1326026956

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: January 04, 2006

Last Update: July 01, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1900 16th St

Greeley, CO 806315114

Phone: 9703502438

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.