Active NPI 1497966824 Individual Practitioner Female Practitioner

Dr. Siemay Chang Lee , MD

Internal Medicine • Greeley, CO

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Siemay Lee, MD is a certified Internal Medicine practicing in Greeley, CO. With approximately 25 years of clinical experience since graduating from Tulane University School Of Medicine in 2001, Dr. Lee delivers high-quality medical care to the local community at 6767 WEST 29TH STREET.

Dr. Lee is affiliated with 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, 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. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6767 West 29th Street
2nd Floor

Greeley, CO 806345474

Telephone 9706522433

Fax 9706522252

Associated Practice Facility / Clinic

🏢 Uchealth Greeley Hospital Facility NPI 1780183145

Medicare Profile & Education

Medical School

Tulane University School Of Medicine

Graduation Year

2001

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

25 Yrs +1.6 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

55.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lee (25 Years) 25 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	326	211	$248.63	$76.42
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	184	184	$272.00	$52.59
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	163	105	$25.00	$16.28
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	110	79	$340.78	$92.39
93793 Anticoagulant management of patient taking warfarin	64	17	$27.00	$11.39
G0008 Administration of influenza virus vaccine	52	50	$57.00	$32.58
90662 Influenza vaccine split virus, preservative free	48	46	$103.91	$80.38
90480 Admn sarscov2 vacc 1 dose	37	34	$98.00	$43.45
91320 Sarscv2 vac 30mcg trs-suc im	37	34	$150.00	$139.99
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	36	36	$526.00	$280.39
G0009 Administration of pneumococcal vaccine	33	33	$40.00	$32.58
99213 Established patient office or other outpatient visit, typically 15 minutes	33	29	$174.09	$62.12
83036 Hemoglobin A1C level	14	13	$23.00	$9.52

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	362	227	$244.00	$79.39
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	185	185	$250.92	$56.57
G0009 Administration of pneumococcal vaccine	91	91	$40.00	$31.04
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	89	89	$516.09	$278.35
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	88	63	$329.00	$97.18
99213 Established patient office or other outpatient visit, typically 15 minutes	76	63	$167.00	$69.98
93793 Anticoagulant management of patient taking warfarin	63	24	$27.00	$11.58
G0008 Administration of influenza virus vaccine	47	47	$53.64	$31.04
90662 Influenza vaccine split virus, preservative free	46	46	$97.07	$71.78
0124A Fee covid-19 vac 13 res	24	24	$98.00	$41.39
83036 Hemoglobin A1C level	21	20	$23.00	$9.52
90480 Admn sarscov2 vacc 1 dose	20	20	$98.00	$39.32
91320 Sarscv2 vac 30mcg trs-suc im	20	20	$150.00	$122.06
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	$167.91
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	12	12	$20.00	$6.58

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	349	224	$244.00	$89.71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	186	186	$233.00	$71.20
99213 Established patient office or other outpatient visit, typically 15 minutes	141	103	$167.00	$76.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	121	76	$329.00	$118.27
G0008 Administration of influenza virus vaccine	74	72	$51.20	$30.26
90662 Influenza vaccine split virus, preservative free	69	67	$87.36	$68.44
93793 Anticoagulant management of patient taking warfarin	60	23	$27.00	$11.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$338.00	$170.45
0124A Fee covid-19 vac 13 res	32	32	$98.00	$38.77
G0009 Administration of pneumococcal vaccine	31	31	$40.00	$30.50
90670 Pneumococcal vaccine for injection into muscle	18	18	$417.00	$249.87
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	18	17	$20.00	$6.37
83036 Hemoglobin A1C level	17	16	$23.00	$9.60
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$221.00	$131.89

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	204	146	$234.62	$131.06
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	125	125	$233.00	$134.49
G0008 Administration of influenza virus vaccine	90	90	$49.94	$17.52
99213 Established patient office or other outpatient visit, typically 15 minutes	88	68	$156.94	$92.32
90662 Influenza vaccine split virus, preservative free	79	79	$82.44	$64.38
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	66	50	$316.73	$185.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$338.00	$171.50
G0009 Administration of pneumococcal vaccine	25	25	$40.00	$17.46
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	15	15	$221.00	$125.52
83036 Hemoglobin A1C level	12	11	$23.00	$8.90
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$26.25	$20.45

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	284	192	$218.98	$110.83
99213 Established patient office or other outpatient visit, typically 15 minutes	160	112	$149.50	$76.29
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	109	109	$233.00	$118.35
G0008 Administration of influenza virus vaccine	71	67	$47.50	$17.10
90662 Influenza vaccine split virus, preservative free	59	57	$76.86	$60.36
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	50	50	$342.00	$173.61
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	48	39	$293.38	$149.46
G0009 Administration of pneumococcal vaccine	36	36	$40.00	$17.04
99442 Telephone medical discussion with physician, 11-20 minutes	33	28	$204.27	$76.94
93793 Anticoagulant management of patient taking warfarin	28	21	$27.00	$11.95
90670 Pneumococcal vaccine for injection into muscle	22	22	$417.00	$225.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$332.75	$168.36
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	15	15	$221.00	$108.73

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	328	202	$214.28	$109.05
99213 Established patient office or other outpatient visit, typically 15 minutes	174	120	$146.02	$74.74
93793 Anticoagulant management of patient taking warfarin	85	76	$25.02	$12.20
85610 Blood test, clotting time	82	75	$9.00	$4.28
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	82	82	$339.56	$172.61
G0008 Administration of influenza virus vaccine	66	63	$47.38	$16.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	63	63	$230.46	$117.06
90662 Influenza vaccine split virus, preservative free	48	47	$70.71	$54.57
G0009 Administration of pneumococcal vaccine	27	27	$40.00	$16.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	23	$288.58	$147.10
36415 Insertion of needle into vein for collection of blood sample	18	18	$6.00	$2.78
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	18	16	$24.80	$18.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$326.00	$166.31
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	14	14	$215.43	$111.48
90670 Pneumococcal vaccine for injection into muscle	13	13	$403.15	$206.40
83036 Hemoglobin A1C level	11	11	$23.00	$10.57

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	407	217	$212.47	$108.41
85610 Blood test, clotting time	374	185	$9.47	$4.74
93793 Anticoagulant management of patient taking warfarin	210	137	$23.99	$12.16
99213 Established patient office or other outpatient visit, typically 15 minutes	179	123	$144.49	$72.91
G0008 Administration of influenza virus vaccine	63	60	$45.80	$20.73
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	56	51	$48.89	$21.99
G0009 Administration of pneumococcal vaccine	55	55	$40.00	$20.73
90662 Influenza vaccine split virus, preservative free	47	45	$65.58	$51.94
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	40	40	$339.00	$173.50
90670 Pneumococcal vaccine for injection into muscle	32	32	$383.50	$196.43
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	30	$287.55	$147.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$326.00	$167.35
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	23	23	$202.11	$101.00
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	17	16	$23.37	$18.65

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	357	189	$211.86	$108.04
85610 Blood test, clotting time	252	163	$10.00	$5.27
99213 Established patient office or other outpatient visit, typically 15 minutes	198	137	$143.55	$73.44
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	94	65	$41.34	$20.37
G0009 Administration of pneumococcal vaccine	64	64	$40.00	$25.63
90670 Pneumococcal vaccine for injection into muscle	60	60	$335.50	$182.62
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	60	58	$285.87	$143.92
G0008 Administration of influenza virus vaccine	52	52	$37.60	$25.63
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	47	47	$20.00	$18.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$325.35	$165.83
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	23	23	$340.00	$171.76
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	15	15	$28.53	$14.54

Medical Specialties & State Licenses

CMS Verified: 2020-08-20

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CO DR.0052999

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License NV 11789

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

19052863 (CO)

Hospital & Practice Group Affiliations

Poudre Valley Medical Group Llc

4404 Barranca Ln, Castle Rock, CO 801047419

Phone: 7207335260

Poudre Valley Medical Group Llc

11083 Colorado Blvd, Firestone, CO 805045873

Phone: 3038338880

Poudre Valley Medical Group Llc

2121 E Harmony Rd, Fort Collins, CO 805283401

Poudre Valley Medical Group Llc

2450 S Peoria, Aurora, CO 800145475

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

Secondary Practice Locations

1900 16th St

Greeley, CO 806315114

Phone: 9703502413

Practice Associates & Co-Workers

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

9 Associated Practitioners

Micaela Marker , PA

Physician Assistant

NPI 1174929111

Physician Assistant

Alexander Grell , PA-C

Physician Assistant

NPI 1245636737

Physician Assistant (Certified)

Dr. Zachary Brodie , DO

Internal Medicine

NPI 1306521471

Doctor of Osteopathic Medicine (D.O.)

Dr. Phebe Abraham , MD

Internal Medicine

NPI 1558980540

Doctor of Medicine (M.D.)

Rachel Slick

Social Worker - Clinical

NPI 1598296949

Dr. Meara Melton , MD, MBA

Internal Medicine

NPI 1619409083

Doctor of Medicine (M.D.), Master of Business Administration

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location August 20, 2020

Registered at 6767 WEST 29TH STREET, 2ND FLOOR, GREELEY, CO 806345474 (Tel: 9706522433)

📍

Updated Business Mailing Address August 20, 2020

Registered at 6767 WEST 29TH STREET, 2ND FLOOR, GREELEY, CO 806345474 (Tel: 9706522433)

✅

NPI Profile Active June 17, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location June 17, 2014

Registered at 1900 16TH ST, GREELEY, CO 806315114 (Tel: 9703502413)

📍

Updated Business Mailing Address June 17, 2014

Registered at 1900 16TH ST, GREELEY, CO 806315114 (Tel: 9703502413)

👤

Provider Name / Credentials Updated June 17, 2014

Recorded as SIEMAY LEE, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 17, 2014

Internal Medicine (License #DR.0052999 in CO)

🟢

Initial NPI Registration & Enumeration May 25, 2007

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: 1497966824

Entity Type:

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

Enumeration Date: May 25, 2007

Last Update: August 20, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

6767 West 29th Street, 2nd Floor

Greeley, CO 806345474

Phone: 9706522433

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.