Active NPI 1952563488 Individual Practitioner Male Practitioner

Dr. Didar Singh , MD

Hospitalist • Springfield, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Didar Singh, MD is a certified Hospitalist practicing in Springfield, IL. With approximately 26 years of clinical experience since graduating from University College Of Medicine in 2000, Dr. Singh delivers high-quality medical care to the local community at 701 N 1ST ST.

Dr. Singh is affiliated with Springfield Clinic, Llp and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

701 N 1st St

Springfield, IL 627023757

Telephone 2175287541

Fax 2176063057

Associated Practice Facility / Clinic

🏢 Memorial Home Services Facility NPI 1982607123

Medicare Profile & Education

Medical School

University College Of Medicine

Graduation Year

2000

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Hospitalist in Springfield, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

26 Yrs +10.2 yrs vs City Avg

City Avg: 15.8 Yrs

State Avg: 17.6 Yrs

Regional Practice Density

45 Specialists

Practicing in Springfield, IL (1537 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

79.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Singh (26 Years) 26 Yrs

Springfield Specialty Average (15.8 Years) 15.8 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	539	190	$518.00	$113.52
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	506	166	$354.00	$77.67
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	124	120	$893.00	$168.03
99238 Hospital discharge day management, 30 minutes or less	110	108	$362.49	$79.62
99239 Hospital discharge day management, more than 30 minutes	90	89	$510.00	$110.71
99231 Follow-up hospital inpatient care per day, typically 15 minutes	41	15	$197.85	$39.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	41	41	$624.00	$126.39
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	27	25	$598.67	$130.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	680	207	$329.00	$78.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	596	161	$471.00	$117.76
99238 Hospital discharge day management, 30 minutes or less	143	141	$328.00	$79.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	123	120	$893.00	$171.64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	66	66	$624.00	$127.76
99239 Hospital discharge day management, more than 30 minutes	56	55	$480.00	$111.49
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	33	32	$565.00	$131.05
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	11	$178.00	$49.49
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes	13	13	$392.00	$79.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	623	184	$329.00	$70.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	514	140	$471.00	$101.49
99238 Hospital discharge day management, 30 minutes or less	106	99	$328.00	$70.70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	104	103	$893.00	$196.10
99239 Hospital discharge day management, more than 30 minutes	49	49	$480.00	$103.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	44	$624.00	$133.87
99231 Follow-up hospital inpatient care per day, typically 15 minutes	40	13	$178.00	$38.30
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	33	31	$545.06	$126.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	628	153	$471.00	$102.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	613	161	$329.00	$71.43
99238 Hospital discharge day management, 30 minutes or less	112	108	$328.00	$71.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	96	95	$893.00	$198.96
99239 Hospital discharge day management, more than 30 minutes	35	34	$480.00	$105.11
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	29	29	$624.00	$135.37
99231 Follow-up hospital inpatient care per day, typically 15 minutes	29	11	$178.00	$38.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	650	231	$329.00	$73.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	559	164	$454.00	$105.31
99238 Hospital discharge day management, 30 minutes or less	139	139	$328.00	$73.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	99	95	$828.00	$204.66
99231 Follow-up hospital inpatient care per day, typically 15 minutes	29	11	$178.00	$39.99
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	25	25	$619.00	$139.81
99239 Hospital discharge day management, more than 30 minutes	24	24	$480.00	$107.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	821	261	$104.35	$71.98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	556	188	$138.65	$102.43
99238 Hospital discharge day management, 30 minutes or less	172	161	$92.58	$71.69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	119	115	$280.56	$201.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	53	53	$263.26	$132.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	48	25	$60.11	$35.41
99239 Hospital discharge day management, more than 30 minutes	26	26	$141.57	$102.49
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$151.34	$102.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	924	310	$83.22	$69.77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	376	170	$117.95	$100.67
99238 Hospital discharge day management, 30 minutes or less	158	153	$84.23	$70.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	139	136	$222.19	$199.76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	72	72	$148.73	$135.74
99231 Follow-up hospital inpatient care per day, typically 15 minutes	39	22	$42.69	$38.98
99239 Hospital discharge day management, more than 30 minutes	29	29	$121.89	$105.97
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$110.65	$100.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	610	221	$79.61	$71.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	160	156	$224.96	$197.97
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	146	89	$114.20	$102.92
99238 Hospital discharge day management, 30 minutes or less	120	118	$82.29	$70.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	68	67	$153.48	$135.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	48	25	$46.71	$38.81
99239 Hospital discharge day management, more than 30 minutes	29	29	$116.84	$105.24

Medical Specialties & State Licenses

CMS Verified: 2026-04-07

Hospitalist Primary Specialty

NUCC Taxonomy Code: 208M00000X

State License IL 036121709

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IL 036121709

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.

Hospital & Practice Group Affiliations

Springfield Clinic, Llp

1600 W Walnut St, Jacksonville, IL 626501136

Phone: 2172459541

Springfield Clinic, Llp

200 Stahlhut Dr 1st Floor Room, Lincoln, IL 626565066

Phone: 2176055309

Springfield Clinic, Llp

775 Engineering Ave, Springfield, IL 627035909

Phone: 2175224300

Springfield Clinic, Llp

800 E Carpenter St, Springfield, IL 627025324

Phone: 2175446464

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Kaitlin Henry , MD

Family Medicine

NPI 1003136276

Doctor of Medicine (M.D.)

Sydney Lynch

Physician Assistant - Surgical

NPI 1003404864

Jeremy Elliott

Nurse Practitioner - Family

NPI 1003416546

Jessica Lee , APN

Nurse Practitioner - Family

NPI 1003461831

Advanced Practice Nurse

Julie Hart , PA-C

Physician Assistant

NPI 1003867342

Physician Assistant (Certified)

Barbara Wolfson , LCPC

Counselor

NPI 1003900739

Licensed Clinical Professional Counselor

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Business Mailing Address July 15, 2025

Registered at PO BOX 19248, SPRINGFIELD, IL 627949248 (Tel: 2175287541)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 15, 2025

Hospitalist (License #036121709 in IL)

✅

NPI Profile Active March 17, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location March 17, 2016

Registered at 701 N 1ST ST, SPRINGFIELD, IL 627023757 (Tel: 2175287541)

📍

Updated Business Mailing Address March 17, 2016

Registered at 1025 S 6TH ST, SPRINGFIELD, IL 627032403 (Tel: 2175287541)

👤

Provider Name / Credentials Updated March 17, 2016

Recorded as DIDAR SINGH, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 17, 2016

Internal Medicine (License #036121709 in IL)

🟢

Initial NPI Registration & Enumeration June 26, 2008

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: 1952563488

Entity Type:

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

Enumeration Date: June 26, 2008

Last Update: April 07, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 19248

Springfield, IL 627949248

Phone: 2175287541

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.