DR. HEMA L VAIDYA-NATHAN M.D.
NPI 1225181241
Family Medicine in Thousand Oaks, CA

Active since January 21, 2007PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0945279 · Microscopy
82.65/100
CMS Quality Rating
227 W JANSS RD, SUITE 335, THOUSAND OAKS, CA 91360(805) 496-0135(805) 496-4222 Get Directions Write a Review

NPPES record last updated: October 15, 2010. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Hema L Vaidya-nathan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HEMA L VAIDYA-NATHAN M.D. (NPI 1225181241) is an individual family medicine provider in Thousand Oaks, California, licensed in California (A33370) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through April 27, 2028, and is a graduate of Other (1971).

NPPES Registry Identity

NPI1225181241
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. HEMA L VAIDYA-NATHANCredential: M.D.
Location Address227 W JANSS RD, SUITE 335Thousand Oaks, CA 91360-1848
Mailing Address227 W Janss Rd, Suite 335Thousand Oaks, CA 91360-1848 · (805) 496-0135 · Fax (805) 496-4222
Fax(805) 496-4222
Sole ProprietorYes
Medical School CMSOtherGraduated 1971
Enumeration DateJanuary 21, 2007
Last NPPES UpdateOctober 15, 2010
NPI 1225181241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A33370
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

227 W JANSS RD, Thousand Oaks, CA 91360

Other Identifiers 1

Medicare UPINA87837CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Hema L Vaidya-nathan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42499360
PECOS Enrollment IDI20110119000526
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0945279

Hema Vaidya Nathan MD · Thousand Oaks, CA
Active · expires Apr 27, 2028
CLIA Number05D0945279
Laboratory TypePhysician Office
Certificate Effective DateApril 28, 2026
Certificate Expiration DateApril 27, 2028
Laboratory DirectorHema L. Vaidya Nathan
Laboratory Phone(818) 496-0135
Laboratory LocationHema Vaidya Nathan MD227 W Janss Rd Ste 335, Thousand Oaks, CA 91360
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
925 services207 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
498 services170 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
355 services38 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
262 services115 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
161 services161 patients
Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446
This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.
160 services160 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

82.65/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Promoting Interoperability100
Improvement Activities40
Cost42.18

Reported Quality Measures

Advance Care Plan
99%200 patients4/55-star benchmark: 100%
Breast Cancer Screening
82%66 patients4/55-star benchmark: 93%
Cervical Cancer Screening
89%44 patients4/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
4%217 patients1/55-star benchmark: 87%
Colorectal Cancer Screening
70%104 patients4/55-star benchmark: 88%
Controlling High Blood Pressure
79%121 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
90%571 patients4/55-star benchmark: 100%
e-Prescribing
98%2,004 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
51%197 patients3/55-star benchmark: 100%
HIV Screening
14%71 patients1/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
45%264 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
60%164 patients4/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 92% · 159 patients
92%159 patients
Provide Patients Electronic Access to Their Health Information
86%326 patients4/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 9% · 179 patients
Patients totalRate: 20% · 205 patients
18%205 patients3/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
8 suppliers26 claims48 services$5.98 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims11 services$13.51 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers69 claims69 services$58.46 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier54 claims54 services$30.26 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
1 supplier11 claims11 services$15.12 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.40 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Pulmonary Disease)
227 W JANSS RD, STE 305
THOUSAND OAKS, CA 91360
Internal Medicine (Pulmonary Disease)
227 W JANSS RD, STE 250
THOUSAND OAKS, CA 91360
Orthopaedic Surgery
227 W JANSS RD, SUITE 320
THOUSAND OAKS, CA 91360
Internal Medicine (Nephrology)
227 W JANSS RD, SUITE 110
THOUSAND OAKS, CA 91360
Radiology (Diagnostic Radiology)
227 W JANSS RD, SUITE 150
THOUSAND OAKS, CA 91360
Anesthesiology
227 W JANSS RD
THOUSAND OAKS, CA 91360
Clinic/Center (Primary Care)
227 W JANSS RD, 250
THOUSAND OAKS, CA 91360
Family Medicine
227 W JANSS RD, SUITE 315
THOUSAND OAKS, CA 91360

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hema Vaidya-nathan's NPI number?

The NPI number for Hema Vaidya-nathan is 1225181241. It was assigned to this individual provider in the NPPES registry on January 21, 2007.

Where is Hema Vaidya-nathan located?

Hema Vaidya-nathan practices at 227 W Janss Rd Suite 335, Thousand Oaks, CA 91360. The listed phone number is (805) 496-0135.

What is Hema Vaidya-nathan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Hema Vaidya-nathan enrolled in Medicare?

Yes. Hema Vaidya-nathan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Hema Vaidya-nathan hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0945279) is associated with this NPI, valid through April 27, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hema Vaidya-nathan was last updated on October 15, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.