Deactivated NPI 1396724985 Deactivated / Inactive NPI Male Practitioner

Dr. Shan A Nathan , MD

Specialist • Lancaster, CA

⚠️

Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Shan Nathan has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date January 11, 2006

NPI Deactivation Date June 11, 2026

Total Practice Duration ~20 Years of Practice (2006 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Shan Nathan, MD was a registered Specialist practicing in Lancaster, CA. Throughout an active medical career spanning 20 years, Dr. Nathan provided care at the practice location at 1331 W AVENUE J until profile deactivation on 2026-06-11.

Historical Medicare Part B clinical services included critical care, first, subsequent hospital care with moderate levelof medical decision making, if using time, at least, established patient outpatient office visit. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

1331 W Avenue J
Ste 101b

Lancaster, CA 935342942

Telephone 6619458717

Fax 6619454867

Associated Practice Facility / Clinic

🏢 Leonard S. Kurian, M D A Medical Corp. Facility NPI 1134285547

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Lancaster, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 37.9 Yrs

State Avg: 38.0 Yrs

Regional Practice Density

35 Specialists

Practicing in Lancaster, CA (6446 Statewide)

Telehealth Adoption Rate

14.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

34.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	117	38	$362.82	$236.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99291 Critical care, first 30-74 minutes	405	171	$367.04	$235.06
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	53	19	$150.94	$110.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	15	$175.00	$159.20

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	312	104	$150.00	$108.07
99291 Critical care, first 30-74 minutes	141	49	$320.39	$228.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	27	$125.00	$115.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	48	31	$175.00	$154.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	45	42	$275.56	$210.32
31645 Aspiration of lung secretions from lung airways using an endoscope	23	23	$706.52	$147.83
94729 Test to examine how well the lungs exchange gases	15	14	$100.00	$61.57
94060 Test to measure expiratory airflow and volume changes before and after medication administration	15	14	$150.00	$68.15
94726 Determination of lung volumes using plethysmography	15	14	$100.00	$61.64
36600 Artery puncture collection of blood sample	12	12	$35.00	$34.49

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	638	228	$150.00	$108.01
99291 Critical care, first 30-74 minutes	399	120	$325.00	$229.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	152	54	$125.00	$114.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	112	104	$275.45	$209.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	61	33	$175.00	$152.76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	38	34	$95.00	$74.74
31645 Aspiration of lung secretions from lung airways using an endoscope	35	32	$750.00	$152.66
36600 Artery puncture collection of blood sample	31	30	$35.00	$34.05
94729 Test to examine how well the lungs exchange gases	30	29	$100.00	$60.66
94726 Determination of lung volumes using plethysmography	30	29	$100.00	$58.36
94060 Test to measure expiratory airflow and volume changes before and after medication administration	30	29	$150.00	$67.60
J7620 Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme	29	28	$25.00	$0.16
83020 Hemoglobin analysis and measurement, electrophoresis	27	27	$30.00	$17.31
82805 Blood gases measurement	27	27	$50.00	$38.14
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$250.00	$216.55

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License CA A31010

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Practice Associates & Co-Workers

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

3 Associated Practitioners

Jamie Michalski , NP

Nurse Practitioner

NPI 1740887579

Nurse Practitioner

Dr. Pradeep Damle , MD

Specialist

NPI 1770563116

Doctor of Medicine (M.D.)

Dr. Syed Ahmed , MD

Specialist

NPI 1932188521

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

⚠️

NPI Profile Deactivated June 11, 2026

Record deactivated on June 11, 2026

📍

Updated Practice Location July 19, 2018

Registered at 44215 15TH ST W STE 203, LANCASTER, CA 93534 (Tel: 6614807004)

📍

Updated Business Mailing Address July 19, 2018

Registered at 44215 15TH ST W STE 203, LANCASTER, CA 935345504 (Tel: 6614807004)

✅

NPI Profile Active June 09, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location June 09, 2008

Registered at 1331 W AVENUE J, STE 101B, LANCASTER, CA 935342942 (Tel: 6619458717)

📍

Updated Business Mailing Address June 09, 2008

Registered at 1331 W AVENUE J, STE 101B, LANCASTER, CA 935342942 (Tel: 6619458717)

👤

Provider Name / Credentials Updated June 09, 2008

Recorded as SHAN NATHAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2008

Specialist (License #A31010 in CA)

🟢

Initial NPI Registration & Enumeration January 11, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Shan Nathan. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1396724985

Entity Type:

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

Enumeration Date: January 11, 2006

Last Update: June 09, 2008

Deactivation Date: June 11, 2026

Update or Correct Profile

Mailing Address

1331 W Avenue J, Ste 101b

Lancaster, CA 935342942

Phone: 6619458717

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.